authenticate

American  

[aw-then-ti-keyt] / ɔˈθɛn tɪˌkeɪt /

verb (used with object)

authenticated, authenticating

1. to establish as genuine.

   Synonyms:

   substantiate, validate, confirm

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.

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authenticate British  

/ ɔːˈθɛntɪˌkeɪt /

verb

1. to establish as genuine or valid

2. to give authority or legal validity to

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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

Once users authenticate their identity through the identification service Clear, their data is pulled by vendor HealthEx, which adheres to the federal initiative known as Tefca, a nationwide framework for accessing health records.

From The Wall Street Journal

The next day, the open-source research outfit Bellingcat said it had authenticated a video showing a Tomahawk missile strike next to the school in Minab.

From Salon

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

Related Words

• attest
• corroborate
• substantiate
• validate
• verify