authenticate
Americanverb (used with object)
-
to establish as genuine.
- Synonyms:
- substantiate, validate, confirm
-
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.
verb
-
to establish as genuine or valid
-
to give authority or legal validity to
Other Word Forms
- authenticatable adjective
- authentication noun
- authenticator noun
- nonauthenticated adjective
- nonauthentication noun
- reauthenticate verb (used with object)
- self-authenticating adjective
- unauthenticated adjective
- well-authenticated adjective
Etymology
Origin of authenticate
First recorded in 1565–75; from Medieval Latin authenticātus “made authentic” (past participle of authenticāre ). See authentic, -ate 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It's worth noting that militaries have access to "M-Code" GPS, is a carefully authenticated and encrypted form of the technology that is far more resistant to jamming.
From BBC
A long lost painting by Rembrandt has been rediscovered and authenticated by experts, after its whereabouts were unknown for decades.
From BBC
“But it lacks a large-scale authenticated consumer network, consumer brand and the data flywheel that a two-sided network could provide.”
From MarketWatch
The sixth, S Pheonix Events, which also notes the receipt of an application to strike off, lists Sarah Ferguson as the person authenticating the application on behalf of the company.
From BBC
Nanos also said the sheriff's office had received a copy of a ransom note and was working with the FBI to authenticate it.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
