Definition for Certify:

• To testify to or make known in writing; assure, as a check, by writing across its face " good," followed by the signature of the cashier of the bank on which the check is drawn.

Synonyms for Certify:

• n.

  •
  • commit,
  • examine,
  • diagnose,
  • cure,
  • caseload,
  • confine,
  • doctor,
  • accredit.
  •
  • swear,
  • vouch for.
  •
  • flunk,
  • guaranty,
  • downgrade,
  • graduate,
  • mark,
  • fail,
  • obligation,
  • pass,
  • track,
  • promote,
  • grade.
  •certify (noun)
  • demonstrate,
  • license,
  • licence,
  • attest,
  • manifest,
  • evidence,
  • endorse.

• v.

  •affirm (verb)
  • assure,
  • proclaim,
  • approve,
  • support,
  • set down,
  • maintain,
  • attest,
  • adjure,
  • avouch,
  • promise,
  • contend,
  • ratify,
  • submit,
  • testify,
  • admit,
  • sustain,
  • claim,
  • propound,
  • endorse,
  • pronounce,
  • verify,
  • pledge,
  • accept,
  • declare,
  • profess,
  • express,
  • affirm,
  • acknowledge,
  • aver,
  • warrant,
  • validate,
  • state,
  • assert,
  • corroborate.
  •approve (verb)
  • consent,
  • underwrite,
  • sanction,
  • confirm,
  • permit,
  • authenticate,
  • assent,
  • approbate,
  • authorize.
  •ascertain (verb)
  • find out,
  • ascertain,
  • check,
  • audit.
  •authorize (verb)
  • deputize,
  • designate,
  • enfranchise,
  • ordain,
  • commission,
  • countersign,
  • bless,
  • notarize,
  • entitle,
  • empower,
  • enable,
  • license,
  • denominate,
  • agree.
  •declare as true (verb)
  • authenticate,
  • show,
  • validate,
  • attest,
  • ascertain,
  • okay,
  • avow,
  • authorize,
  • assure,
  • vouch,
  • guarantee,
  • notify,
  • verify,
  • reassure,
  • testify,
  • aver,
  • approve,
  • witness,
  • commission,
  • state,
  • sanction,
  • profess,
  • endorse,
  • swear,
  • confirm,
  • license,
  • accredit,
  • corroborate.
  •evince (verb)
  • depose,
  • prove,
  • document,
  • vouch,
  • betoken,
  • connote,
  • adduce,
  • illustrate,
  • exhibit,
  • manifest,
  • exemplify,
  • determine,
  • evince,
  • indicate,
  • witness,
  • substantiate,
  • observe,
  • establish,
  • demonstrate.
  •guarantee (verb)
  • guarantee,
  • secure,
  • insure,
  • ensure,
  • safeguard,
  • bond.
  •prove (verb)
  • confirm,
  • prove,
  • establish,
  • ascertain,
  • verify,
  • determine,
  • demonstrate.

• Other synonyms:

  •
  • allow,
  • reinforce,
  • nurse,
  • accredit,
  • caseload,
  • internship,
  • diagnose.
  •
  • press,
  • satisfy,
  • readmit,
  • prescribe,
  • prognosis,
  • cure,
  • confine,
  • commit,
  • examine.
  •
  • treat,
  • back up,
  • practice,
  • doctor.
  •
  • guaranty.
  •affirm
  • predicate.
  •approve
  • permit,
  • second.
  •authorize
  • license.
  •guarantee
  • cosign,
  • sign for.
  •okay
  • consent to.
  •promise
  • assure.
  •Other relevant words:
  • condition,
  • make sure,
  • collate,
  • well-founded,
  • vindication,
  • protest,
  • settle,
  • vote,
  • licensed,
  • pass upon,
  • check up on,
  • present,
  • readmit,
  • specify,
  • say amen to,
  • privilege,
  • predicate,
  • tell,
  • prepare,
  • disclose,
  • recognize,
  • make good,
  • asseverate,
  • clear up,
  • see to it,
  • set at rest,
  • allege,
  • pass,
  • gesture,
  • back,
  • approve of,
  • attester,
  • stamp,
  • hallmark,
  • pass on,
  • probate,
  • authenticated,
  • take the stand,
  • offer,
  • doctor,
  • warranty,
  • assert under oath,
  • attest to,
  • allowable,
  • validation,
  • eligible,
  • certificate,
  • averment,
  • quantifiable,
  • attestation,
  • classify,
  • make,
  • charter,
  • cross-check,
  • press,
  • legitimatize,
  • make certain,
  • Prover,
  • evidence,
  • make eligible,
  • own,
  • see,
  • attribute,
  • nail down,
  • prescribe,
  • signal,
  • legitimate,
  • shew,
  • second,
  • be sure,
  • obligation,
  • cosign,
  • medical,
  • downgrade,
  • equip,
  • fit,
  • confirmation,
  • without fail,
  • indication,
  • vow,
  • commit,
  • give power,
  • justification,
  • vested,
  • sign,
  • decide,
  • depute,
  • demo,
  • ready,
  • give permission,
  • confess,
  • internship,
  • particularize,
  • say,
  • vouch for,
  • motion,
  • vindicate,
  • avow,
  • caseload,
  • swear to,
  • be confident of,
  • affirmation,
  • qualify,
  • sponsor,
  • be certain,
  • provide for,
  • undertake,
  • wave,
  • allow,
  • authorization,
  • symptom,
  • vest,
  • put away,
  • nurse,
  • franchise,
  • choose,
  • diagnose,
  • stabilize,
  • kiss the Book,
  • recheck,
  • vouchsafe,
  • grade,
  • circumstantiate,
  • chronicle,
  • consent to,
  • bear witness to,
  • uphold,
  • delegate,
  • reinforce,
  • voucher,
  • scientific,
  • irrefutable,
  • proven,
  • restrict,
  • testify to,
  • sort out,
  • substantiation,
  • patent,
  • effect,
  • buttress,
  • Countersecure,
  • give evidence,
  • seal,
  • signboard,
  • index,
  • corroboration,
  • authoritative,
  • concede,
  • give one's word,
  • get at,
  • certified,
  • appoint,
  • stand up for,
  • autograph,
  • indorse,
  • clinch,
  • visa,
  • cure,
  • argue,
  • bolster,
  • legal,
  • assign,
  • guaranty,
  • statement,
  • graduate,
  • portent,
  • answer for,
  • give the go-ahead,
  • track,
  • take one's oath,
  • stand behind,
  • undergird,
  • authorise,
  • back up,
  • satisfy,
  • Certifying,
  • grant,
  • promote,
  • strengthen,
  • plump for,
  • march,
  • clue,
  • reassure,
  • sign and seal,
  • okay,
  • initial,
  • let,
  • make an affidavit,
  • assertion,
  • licence,
  • describe,
  • amen,
  • select,
  • legalize,
  • emblem,
  • prognosis,
  • depone,
  • book,
  • notify,
  • privileged,
  • elect,
  • practice,
  • mark,
  • fix,
  • bear testimony,
  • undersign,
  • experimental,
  • treat,
  • endorsement,
  • bear out,
  • invest,
  • accredit,
  • valid,
  • assurance,
  • record,
  • testimony,
  • subscribe to,
  • cinch,
  • examine,
  • vise,
  • rubber stamp,
  • clench,
  • confine,
  • legitimize,
  • name,
  • flunk,
  • certification,
  • be answerable for,
  • detail,
  • fail,
  • plunk for,
  • be behind,
  • show,
  • give thumbs up,
  • fortify,
  • check over,
  • make sure of,
  • bear witness,
  • designation,
  • sign for,
  • moderate,
  • swear,
  • competent.

Antonyms for Certify:

• Other antonyms:

  • n. t.
    ban, bar, block, challenge, conceal, constrain, contest, counteract, deny, disallow, disapprove, disavow, disbar, disclaim, discourage, discredit, disenfranchise, disfranchise, dispute, disqualify, enjoin, exclude, hide, hinder, hold back, impede, inhibit, interdict, invalidate, obstruct, oppose, outlaw, prevent, prohibit, proscribe, refuse, reject, renounce, repudiate, shut out, stop.

• v.

  • declare as true
    disallow, reject, disavow, repudiate, contradict, counteract, conceal, invalidate, hide, refuse, disprove, disapprove, discredit, oppose, veto, renounce, refute, disclaim, deny.
  • Other antonyms:
    ban, hinder, veto, disbar, hold back, contest, stop, disavow, prevent, mask, block, disclaim, gainsay, question, constrain, interdict, disown, disenfranchise, cover, dissimulate, discourage, exclude, repudiate, disqualify, shut out, inhibit, secrete, disfranchise, forbid, obstruct, proscribe, screen, outlaw, deny, conceal, hide, dissemble, disallow, bar, prohibit, veil, cloak, enjoin, challenge, dispute, disguise, impede.