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[aw-then-ti-keyt] /ɔˈθɛn tɪˌkeɪt/
verb (used with object), authenticated, authenticating.
to establish as genuine.
to establish the authorship or origin of conclusively or unquestionably, chiefly by the techniques of scholarship:
to authenticate a painting.
to make authoritative or valid.
1565-75; < Medieval Latin authenticātus made authentic (past participle of authenticāre). See authentic, -ate1
Related forms
authenticatable, adjective
authentication, noun
nonauthenticated, adjective
nonauthentication, noun
reauthenticate, verb (used with object), reauthenticated, reauthenticating.
reauthentication, noun
self-authenticating, adjective
unauthenticated, adjective
well-authenticated, adjective
1. confirm, validate, substantiate. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for authenticated
  • Sadly, so is the editorial intervention that authenticated and improved content.
  • By doing so, he authenticated himself and thereby validated his existence, even at the price of destroying his political career.
  • Because of the murk surrounding the hoard's discovery, it may never be authenticated to scientists' full satisfaction.
  • He relates no fact, he attributes no expression to his characters, which is not authenticated by sufficient testimony.
  • Even in our times there seems to be no lack of authenticated examples of such diagnostic performances on the part of the dream.
  • It was as if our possession of the image of the atrocity somehow authenticated it.
  • If you want it to be authenticated, you need to sign it as well.
  • The artist authenticated his work not by his signature but by his thumbprint.
  • authenticated records are also referred to as records containing an apostille for use in a foreign country.
British Dictionary definitions for authenticated


verb (transitive)
to establish as genuine or valid
to give authority or legal validity to
Derived Forms
authentication, noun
authenticator, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for authenticated



"verify, establish the credibility of," 1650s, from Medieval Latin authenticatus, past participle of authenticare, from authenticus (see authentic). Related: Authenticated; authenticating.

Online Etymology Dictionary, © 2010 Douglas Harper
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