Dictionary
authenticate
verb au·then·ti·cate \ə-ˈthen-ti-ˌkāt, ȯ-\
: 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
See authenticate defined for English-language learners
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First Known Use of AUTHENTICATE
1651
Related to AUTHENTICATE
- Synonyms
- attest, certify, avouch, testify (to), vouch (for), witness
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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