Dictionary

authenticate

verb au·then·ti·cate \ə-ˈthen-ti-ˌkāt, -\

: to prove that something is real, true, or genuine : to prove that something is authentic

au·then·ti·cat·edau·then·ti·cat·ing

Full Definition of AUTHENTICATE

transitive verb
:  to prove or serve to prove the authenticity of <authenticate a document>
au·then·ti·ca·tion \-ˌthen-ti-ˈkā-shən\ noun
au·then·ti·ca·tor \-ˈthen-ti-ˌkā-tər\ noun

Examples of AUTHENTICATE

  1. The signature has been authenticated.
  2. <a jeweler authenticated the diamond as real>

First Known Use of AUTHENTICATE

1651

Synonym Discussion of AUTHENTICATE

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact <confirmed the reports>. corroborate suggests the strengthening of what is already partly established <witnesses corroborated his story>. substantiate implies the offering of evidence that sustains the contention <the claims have yet to be substantiated>. verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at <all statements of fact in the article have been verified>. authenticate implies establishing genuineness by adducing legal or official documents or expert opinion <handwriting experts authenticated the diaries>. validate implies establishing validity by authoritative affirmation or by factual proof <validated the hypothesis by experiments>.

Rhymes with AUTHENTICATE

abbreviate, abominate, accelerate, accentuate, accommodate, acculturate, accumulate, adjudicate, adulterate, affiliate, agglomerate, alienate, alleviate, alliterate, amalgamate, ameliorate, amyl nitrate, annihilate, annunciate, anticipate, apostolate, appreciate, appropriate, approximate, arpeggiate, articulate, asphyxiate, assassinate, asseverate, assimilate, associate, at any rate, attenuate, barbiturate, bicarbonate, calumniate, capacitate, capitulate, catholicate, certificate, coagulate, coelenterate, collaborate, commemorate, commiserate, communicate, compassionate, concatenate, conciliate, confabulate, confederate, conglomerate, congratulate, consolidate, contaminate, cooperate, coordinate, corroborate, deactivate, debilitate, decapitate, decelerate, decerebrate, deconcentrate, deconsecrate, decorticate, decrepitate, de-escalate, defibrinate, defoliate, degenerate, deliberate, delineate, demodulate, denominate, depopulate, depreciate, deracinate, deregulate, desegregate, desiderate, detoxicate, devaluate, diaconate, dilapidate, discriminate, disintegrate, disseminate, dissimulate, dissociate, domesticate, effectuate, ejaculate, elaborate, electroplate, eliminate, elucidate, emaciate, emancipate, emasculate, encapsulate, enumerate, enunciate, episcopate, equivocate, eradicate, etiolate, evacuate, evaluate, evaporate, eventuate, eviscerate, exacerbate, exaggerate, exasperate, excited state, excogitate, excoriate, exfoliate, exhilarate, exonerate, expatiate, expatriate, expectorate, expostulate, expropriate, extenuate, exterminate, extrapolate, facilitate, felicitate, fish or cut bait, garrison state, gesticulate, habilitate, habituate, hallucinate, humiliate, hydrogenate, hypothecate, illuminate, impersonate, inactivate, inaugurate, incarcerate, incinerate, incorporate, incriminate, indoctrinate, inebriate, infatuate, infuriate, ingratiate, ingurgitate, initiate, inoculate, inseminate, insinuate, instantiate, intercalate, interpolate, interrelate, interrogate, intimidate, intoxicate, invalidate, investigate, invigorate, irradiate, Italianate, Korea Strait, lanceolate, legitimate, luxuriate, mandarinate, manipulate, matriarchate, matriculate, Merthiolate, necessitate, negotiate, noncandidate, obliterate, officiate, Orange Free State, orientate, originate, oxygenate, participate, particulate, patriarchate, patriciate, perambulate, peregrinate, perpetuate, pontificate, precipitate, predestinate, predominate, prefabricate, premeditate, preponderate, prevaricate, procrastinate, prognosticate, proliferate, propitiate, proportionate, quadruplicate, quintuplicate, reciprocate, recriminate, recuperate, redecorate, reduplicate, reeducate, refrigerate, regenerate, regurgitate, reincarnate, reintegrate, reiterate, rejuvenate, remunerate, repatriate, repudiate, resuscitate, retaliate, reticulate, revaluate, reverberate, scholasticate, second estate, self-flagellate, self-immolate, self-pollinate, seventy-eight, sextuplicate, Singapore Strait, sophisticate, subordinate, substantiate, syllabicate, tergiversate, transliterate, triangulate, vanity plate, variegate, vaticinate, vituperate, vociferate
AUTHENTICATE Defined for Kids

authenticate

verb au·then·ti·cate \ə-ˈthen-ti-ˌkāt\
au·then·ti·cat·edau·then·ti·cat·ing

Definition of AUTHENTICATE for Kids

:  to prove or serve as proof that something is authentic

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July 05, 2015
bunkum Hear it
insincere or foolish talk
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