authenticate

[ aw-then-ti-keyt ]
See synonyms for: authenticateauthenticatedauthenticating on Thesaurus.com

verb (used with object),au·then·ti·cat·ed, au·then·ti·cat·ing.
  1. to establish as genuine.

  2. to establish the authorship or origin of conclusively or unquestionably, chiefly by the techniques of scholarship: to authenticate a painting.

  1. to make authoritative or valid.

Origin of authenticate

1
First recorded in 1565–75; from Medieval Latin authenticātus “made authentic” (past participle of authenticāre). See authentic, -ate1

Other words for authenticate

Other words from authenticate

  • au·then·ti·cat·a·ble, adjective
  • non·au·then·ti·cat·ed, adjective
  • non·au·then·ti·ca·tion, noun
  • re·au·then·ti·cate, verb (used with object), re·au·then·ti·cat·ed, re·au·then·ti·cat·ing.
  • self-au·then·ti·cat·ing, adjective
  • un·au·then·ti·cat·ed, adjective
  • well-au·then·ti·cat·ed, adjective

Words Nearby authenticate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use authenticate in a sentence

British Dictionary definitions for authenticate

authenticate

/ (ɔːˈθɛntɪˌkeɪt) /


verb(tr)
  1. to establish as genuine or valid

  2. to give authority or legal validity to

Derived forms of authenticate

  • 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