Synonyms for Under pinning:

• n.

  •base (noun)
  • essential,
  • authority,
  • backbone,
  • primary element,
  • evidence,
  • key,
  • fundamental,
  • footing,
  • source,
  • Underpinning,
  • seating,
  • infrastructure,
  • bottom,
  • core,
  • substratum,
  • stand,
  • essence,
  • basement,
  • bed,
  • foot,
  • principle,
  • origin,
  • heart,
  • principal,
  • important part,
  • chief constituent,
  • pedestal,
  • bedrock,
  • seat.
  •basis (noun)
  • data,
  • presumption,
  • assumption,
  • explanation,
  • proof,
  • nucleus,
  • dictum,
  • axiom,
  • justification,
  • law,
  • postulate,
  • reason,
  • background,
  • chief ingredient,
  • theory,
  • hard fact,
  • nexus,
  • antecedent,
  • rudiment,
  • presupposition,
  • sanction,
  • theorem,
  • cause,
  • principal element,
  • center,
  • crux,
  • security,
  • premise,
  • warrant,
  • keystone,
  • keynote,
  • backing.
  •brace (noun)
  • buttress,
  • bracer,
  • staff,
  • rafter,
  • band,
  • lever,
  • bracket,
  • peg,
  • grip,
  • vice,
  • splint,
  • truss,
  • stanchion,
  • guy,
  • splice,
  • rib,
  • bar,
  • shore,
  • mainstay,
  • boom,
  • bearing,
  • stave,
  • block,
  • strut,
  • stirrup,
  • cantilever,
  • clamp,
  • bolster,
  • girder,
  • strengthener,
  • arm,
  • skid,
  • sustainer.
  •buttress (noun)
  • column,
  • pier,
  • abutment.
  •column (noun)
  • colonnade,
  • obelisk,
  • totem,
  • peristyle,
  • standard,
  • pylon,
  • cylinder,
  • shaft,
  • monolith,
  • tower,
  • post,
  • upright,
  • caryatid,
  • brace,
  • pilaster,
  • mast,
  • minaret,
  • monument,
  • stele.
  •footing (noun)
  • resting place,
  • installation,
  • understructure,
  • foothold,
  • settlement,
  • establishment.
  •foundation (noun)
  • bottom line,
  • abcs,
  • nitty-gritty,
  • nuts and bolts,
  • guts,
  • nub,
  • brass tacks,
  • basics.
  •grounds (noun)
  • determinant,
  • rationale,
  • test,
  • why,
  • excuse,
  • straight stuff,
  • inducement,
  • whyfor,
  • account,
  • trial,
  • demonstration,
  • information,
  • call,
  • dope,
  • argument,
  • wherefore,
  • testimony,
  • factor,
  • goods,
  • numbers,
  • info,
  • motive,
  • chapter and verse,
  • occasion,
  • pretext.
  •groundwork (noun)
  • preparation,
  • Preliminaries,
  • cornerstone.
  •prop (noun)
  • aid,
  • assistance.
  •root (noun)
  • marrow,
  • quintessence,
  • radicle,
  • beginnings,
  • mainspring,
  • quick,
  • inception,
  • fountainhead,
  • seed,
  • stuff,
  • well,
  • pith,
  • substance,
  • rhizome,
  • radix,
  • provenance,
  • tuber,
  • fountain,
  • essentiality,
  • rock bottom,
  • stem,
  • Provenience,
  • germ,
  • starting point,
  • soul,
  • derivation.
  •substratum (noun)
  • fundament.
  •support (noun)
  • fulcrum,
  • guide,
  • stake,
  • agency,
  • pillar,
  • flotation,
  • means,
  • collar,
  • rampart,
  • rod,
  • pole,
  • device,
  • back,
  • stiffener,
  • sustentation,
  • bedding,
  • hold,
  • lining,
  • stilt,
  • platform,
  • timber,
  • medium.
  •underpinning (noun)
  • foundation,
  • base,
  • groundwork,
  • substructure,
  • ground,
  • reinforcement,
  • support,
  • basis.

• v.

  •confirm (verb)
  • circumstantiate,
  • affirm,
  • give stamp of approval,
  • authenticate,
  • settle,
  • thumbs up,
  • justify,
  • size up,
  • bless,
  • explain,
  • make sure,
  • subscribe,
  • attest,
  • give high sign,
  • lap up,
  • okay,
  • give the nod,
  • double-check,
  • corroborate,
  • bear out,
  • make good,
  • check out,
  • buy,
  • witness,
  • uphold,
  • substantiate,
  • sign off on,
  • approve,
  • rubber-stamp,
  • debunk,
  • verify,
  • give green light,
  • give the go-ahead,
  • check,
  • sign,
  • endorse,
  • underpin,
  • vouch,
  • certify.
  •hold (verb)
  • lock,
  • bear,
  • carry,
  • sustain,
  • shoulder,
  • take,
  • shore up.
  •shore (verb)
  • bulwark,
  • bear up,
  • strengthen,
  • Upbear.
  •underpin (verb)
  • depend,
  • plant,
  • construct,
  • station,
  • build,
  • rest,
  • root,
  • establish,
  • stay,
  • set up,
  • locate,
  • found,
  • predicate,
  • derive,
  • prop,
  • hinge.

Antonyms for Under pinning:

• n.

  • base
    branch, trivia, auxiliary, exterior, outside, top, surface, Exteriority, annex.
  • basis
    result, fact, reality, end, periphery, effect.
  • brace
    help.
  • foundation
    cowardice, fear.
  • grounds
    discouragement, hindrance.
  • prop
    injury.
  • root
    derivation, conclusion, consequence, outgrowth, extra, sprout, derivative.
  • support
    frustration, disapproval, opposition, stop.

• v.

  • confirm
    disagree, disapprove, invalidate, annul, deny, disallow, discredit, void, repudiate, confuse, contradict, refuse, disprove, refute, cancel, oppose, reject, veto.
  • hold
    cease, forsake, avoid, unfasten, abandon, lose, quit, disbelieve, weaken, release, fail, dodge, halt, desert, let go, drop.
  • shore
    dissuade, let down, discourage.
  • underpin
    disestablish, ruin, destroy, dismantle, leave, raze, move, unsettle, demolish.