"You canker blossom!" 3 Shakespearean Insults


[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.
Origin of authenticate
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 authenticate
  • Emphasis on may, since no one from the art world's formidable establishment will authenticate the painting.
  • Science has long been used to help authenticate works of art.
  • To authenticate a message, the sending node computes a sum using a secret key.
  • When a smart phone reads the code, it is instructed to download the app and authenticate with that vehicle only.
  • They proposed to use trustees who would authenticate you.
  • Many physical signs of unsustainable water use authenticate the numerical indicator of water stress.
  • Servers must be able to authenticate remote users who request services or applications.
British Dictionary definitions for authenticate


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 authenticate

"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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