Definition for Authentic:

• Having a genuine original or authority, in opposition to that which is false, fictitious, counterfeit, or apocryphal; being what it purports to be; genuine; not of doubtful origin; real; as, an authentic paper or register.

Synonyms for Authentic:

• adj.

  •all (adjective)
  • bona fide,
  • reliable,
  • unquestionable,
  • veritable.
  •authoritative (adjective)
  • proven.
  •earliest (adjective)
  • original.
  •evidential (adjective)
  • corroborated,
  • supported,
  • evidential,
  • Exemplified,
  • confirmed,
  • Vouched,
  • demonstrated,
  • certified,
  • proven,
  • counter-evidential,
  • Exhibited,
  • Testified,
  • validated,
  • documented,
  • witnessed,
  • established,
  • substantiated.
  •literal (adjective)
  • verbatim,
  • explicit,
  • overt,
  • prosaic,
  • actual,
  • precise,
  • unexaggerated,
  • exact,
  • accurate,
  • literal.
  •original (adjective)
  • underived,
  • innovative,
  • ingenious,
  • original,
  • prototypical,
  • creative,
  • initial,
  • novel,
  • unique,
  • genuine,
  • first.
  •persuasive (adjective)
  • convincing.
  •precise (adjective)
  • accurate.
  •pure (adjective)
  • unalloyed.
  •real (adjective)
  • concrete,
  • genuine,
  • veritable,
  • real,
  • true,
  • factual,
  • sincere,
  • honest,
  • solid,
  • substantial,
  • actual,
  • tangible.
  •real, genuine (adjective)
  • bona fide,
  • faithful,
  • authoritative,
  • creditable,
  • reliable,
  • trusty,
  • pure,
  • actual,
  • legitimate,
  • trustworthy,
  • legit,
  • veritable,
  • certain,
  • sure,
  • factual,
  • original,
  • true,
  • valid,
  • dependable,
  • official,
  • convincing,
  • accurate,
  • for real,
  • credible.
  •reliable (adjective)
  • trustworthy,
  • official.
  •true (adjective)
  • absolute,
  • true,
  • honest,
  • axiomatic,
  • Simon-pure,
  • right,
  • certain,
  • veracious,
  • definite,
  • factual,
  • proven,
  • gospel.
  •undisputed (adjective)
  • undoubted.
  •veracious (adjective)
  • factual,
  • honest,
  • true,
  • accurate,
  • correct,
  • ingenuous,
  • veracious,
  • genuine.
  •veridical (adjective)
  • veridical.

• n.

  •
  • perfect,
  • specific,
  • unerring.
  •
  • valid,
  • convincing,
  • physical,
  • faithful,
  • realistic,
  • kosher,
  • credible.
  •
  • good,
  • indubitable,
  • undoubted.
  •authentic (noun)
  • trustworthy,
  • trusty,
  • unquestionable,
  • reliable,
  • bona fide,
  • genuine,
  • veritable,
  • echt.

• Other synonyms:

  •
  • physical,
  • verifiable,
  • ironclad,
  • decidedly,
  • categorically,
  • indisputable,
  • undeniable,
  • easily,
  • believable,
  • unchallenged,
  • irrefutable,
  • foursquare,
  • definitive,
  • definitely,
  • informed,
  • cut-and-dried,
  • realistically,
  • realistic,
  • de facto,
  • hands down,
  • well-founded,
  • well-grounded,
  • truly,
  • tenable,
  • undisputed,
  • Grounded,
  • authoritative,
  • certifiable,
  • plausible,
  • true-life,
  • hard,
  • determinate,
  • incontestable.
  •
  • harsh,
  • indubitable,
  • naturalistic,
  • three-dimensional,
  • kosher,
  • undoubted.
  •
  • credible,
  • faithful,
  • material,
  • firm,
  • convincing.
  •
  • good.
  •actual
  • historical.
  •cordial
  • hearty.
  •established
  • incontrovertible.
  •genuine
  • valid.
  •Other relevant words:
  • correctly,
  • basic,
  • truth,
  • Grounded,
  • realistically,
  • really,
  • valid,
  • definitive,
  • above-board,
  • genuinely,
  • heartfelt,
  • sanctioned,
  • Questionless,
  • consistent,
  • soundly,
  • corporeal,
  • scholarly,
  • uniform,
  • presumptive,
  • foursquare,
  • avant-garde,
  • telling,
  • well-grounded,
  • in truth,
  • well-founded,
  • evangelical,
  • firsthand,
  • beginning,
  • authenticity,
  • recorded,
  • well-defined,
  • privilege,
  • settle,
  • word for word,
  • unromantic,
  • card-carrying,
  • underived,
  • commencement,
  • strict,
  • proper,
  • clearly,
  • square-shooting,
  • earnest,
  • plainly,
  • extremely,
  • unerring,
  • realized,
  • positively,
  • claim,
  • certainly,
  • Inartificial,
  • accuracy,
  • eye-witness,
  • fresh,
  • dependable,
  • incontrovertible,
  • sterling,
  • honourable,
  • existent,
  • undisguised,
  • goodly,
  • stop,
  • vivid,
  • graphic,
  • informed,
  • excellent,
  • purely,
  • hands down,
  • legitimately,
  • sincerely,
  • perfect,
  • determinate,
  • easily,
  • title,
  • attested,
  • peck at,
  • nonfictional,
  • tenable,
  • realistic,
  • simple,
  • permission,
  • irrefutable,
  • Attestive,
  • correctitude,
  • pure,
  • founded on,
  • unsimulated,
  • new,
  • cathedral,
  • sure,
  • specific,
  • quite,
  • truthful,
  • true-life,
  • trustworthy,
  • surely,
  • incontestable,
  • verifiable,
  • conclusive,
  • standard,
  • documentary,
  • cut-and-dried,
  • uncolored,
  • apparently,
  • secure,
  • particular,
  • opening,
  • hold,
  • hearty,
  • assuredly,
  • trusty,
  • true-blue,
  • authenticated,
  • imaginative,
  • verified,
  • for real,
  • verily,
  • legitimate,
  • derivation,
  • historical,
  • material,
  • licit,
  • unadulterated,
  • perfectly,
  • recognizable,
  • former,
  • out-and-out,
  • veridical,
  • Orthodoxical,
  • frankly,
  • entirely,
  • harsh,
  • lifelike,
  • entitlement,
  • rightful,
  • plausible,
  • unequivocal,
  • uprightly,
  • cognizable,
  • thorough,
  • cause,
  • weighty,
  • received,
  • good,
  • manifestly,
  • license,
  • physical,
  • positive,
  • unfanciful,
  • credible,
  • authority,
  • based on,
  • sincerity,
  • naturally,
  • right on,
  • precisely,
  • straight-shooting,
  • indubitable,
  • candid,
  • fairly,
  • superb,
  • evidently,
  • honestly,
  • truly,
  • stout,
  • literally,
  • pukka,
  • Unspecious,
  • legit,
  • native,
  • irresistible,
  • undeniable,
  • seminal,
  • very,
  • cumulative,
  • square,
  • unalloyed,
  • conventional,
  • unchallenged,
  • actually,
  • existing,
  • exactness,
  • unimagined,
  • precision,
  • unqualified,
  • homogeneous,
  • justly,
  • unfeigned,
  • faithful,
  • creation,
  • cast-iron,
  • implicit,
  • unassuming,
  • truthfully,
  • unsophisticated,
  • significant,
  • definitely,
  • christian,
  • admissible,
  • reliable,
  • unambiguous,
  • safe,
  • Unideal,
  • A,
  • unaffected,
  • pucka,
  • distinctly,
  • continuous,
  • completely,
  • origin,
  • three-dimensional,
  • honest-to-god,
  • convincing,
  • stanch,
  • Single-hearted,
  • undisputed,
  • revolutionary,
  • traditional,
  • unvarnished,
  • orthodox,
  • indisputable,
  • stalwart,
  • ex officio,
  • legal,
  • unpretending,
  • authorization,
  • decidedly,
  • unmixed,
  • final,
  • primary,
  • Simon-pure,
  • master,
  • hard,
  • warrant,
  • natural,
  • recognized,
  • good faith,
  • straight,
  • naturalistic,
  • de facto,
  • indicative,
  • archetypal,
  • lawful,
  • magisterial,
  • evidentiary,
  • fully,
  • scriptural,
  • originally,
  • veracity,
  • textual,
  • developed,
  • Adducible,
  • damning,
  • on the square,
  • dinkum,
  • circumstantial,
  • unelaborated,
  • Ex parte,
  • in fact,
  • unbroken,
  • up-and-up,
  • hearsay,
  • knowable,
  • virtual,
  • at first hand,
  • hardly,
  • kosher,
  • decisive,
  • authentically,
  • rightly,
  • factually,
  • absolutely,
  • accepted,
  • bona fide,
  • open and aboveboard,
  • birth,
  • warm,
  • honesty,
  • unassumed,
  • literatim,
  • compelling,
  • in good faith,
  • fair,
  • probative,
  • echt,
  • believable,
  • sure-enough,
  • polished rice,
  • Straightly,
  • wholehearted,
  • primarily,
  • undistorted,
  • suggestive,
  • aboveboard,
  • clear-cut,
  • manifest,
  • unflattering,
  • righteously,
  • categorically,
  • indeed,
  • aborigine,
  • error-free,
  • Unimitated,
  • unexaggerated,
  • official,
  • symptomatic,
  • palpable,
  • determinative,
  • unpretended,
  • endorsed,
  • sound,
  • authoritative,
  • truely,
  • canonical,
  • verbal,
  • correctness,
  • unquestionable,
  • authorized,
  • certifiable,
  • on the level,
  • verisimilar,
  • Unconcocted,
  • creditable,
  • open,
  • eyewitness,
  • cogent,
  • undoubted,
  • licensed,
  • devout,
  • ironclad,
  • approved,
  • accurately,
  • firm,
  • source,
  • customary,
  • superlative,
  • Nuncupative,
  • Attestative,
  • overwhelming,
  • simply,
  • prototypic,
  • intrinsically,
  • traditionalistic,
  • Uninvented,
  • learned,
  • accredited,
  • exactly.

Antonyms for Authentic:

• adj.

  • real, genuine
    doubtful, corrupt, fake, implausible, unreal, unlikely, unauthorized, Falsified, unreliable, untrustworthy, false, counterfeit, improbable, incredible, invalid.
  • Other antonyms:
    corrupted, artificial, disputed, bogus, deceptive, corrupt, misleading, off, unauthorized, exploded, untruthful, inexact, delusory, loose, manufactured, imitation, fabricated, untrusty, careless, unfaithful, slipshod, supposititious, apocryphal, slack, fabulous, unsound, erroneous, baseless, suppositious, invalid, inaccurate, incorrect, imitative, untrue, delusive, imprecise, slovenly, wrong.

• Other antonyms:

  • n. t.
    careless, corrupt, corrupted, deceptive, delusive, delusory, doubtful, fabricated, fraudulent, hypothetical, imitation, implausible, imprecise, improbable, inaccurate, incorrect, incredible, inexact, invalid, manufactured, misleading, slack, slipshod, slovenly, supposed, suppositious, supposititious, unauthorised, unauthorized, unfaithful, unlikely, unreliable, unsound, untrue, untruthful, Falsified, Concocted, ungenuine.