au·then·ti·cate

[aw-then-ti-keyt]
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.
3.
to make authoritative or valid.

Origin:
1565–75; < Medieval Latin authenticātus made authentic (past participle of authenticāre). See authentic, -ate1

au·then·ti·cat·a·ble, adjective
au·then·ti·ca·tion, noun
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.
re·au·then·ti·ca·tion, noun
self-au·then·ti·cat·ing, adjective
un·au·then·ti·cat·ed, adjective
well-au·then·ti·cat·ed, adjective


1. confirm, validate, substantiate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To authentication
00:10
Authentication is always a great word to know.
So is slumgullion. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a stew of meat, vegetables, potatoes, etc.
Collins
World English Dictionary
authenticate (ɔːˈθɛntɪˌkeɪt) [Click for IPA pronunciation guide]
 
vb
1.  to establish as genuine or valid
2.  to give authority or legal validity to
 
authenti'cation
 
n
 
au'thenticator
 
n

authenticate (ɔːˈθɛntɪˌkeɪt) [Click for IPA pronunciation guide]
 
vb
1.  to establish as genuine or valid
2.  to give authority or legal validity to
 
authenti'cation
 
n
 
au'thenticator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

authenticate
1650s, "verify, establish the credibility of," from M.L. authenticatus, pp. of authenticare, from authenticus (see authentic). Authentication (1788).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
FOLDOC
Computing Dictionary

authentication definition

security
The verification of the identity of a person or process. In a communication system, authentication verifies that messages really come from their stated source, like the signature on a (paper) letter. The most common form of authentication is typing a user name (which may be widely known or easily guessable) and a corresponding password that is presumed to be known only to the individual being authenticated. Another form of authentication is biometrics.
(2007-02-22)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
All players would be linked to a central authentication and responsible gaming
  center.
Before forensics, the standard process of authentication involved establishing
  provenance.
Consult our country-specific information for guidance about authentication
  procedures for particular countries.
Most of the attacks these days are done with the authentication already done by
  the parties.
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