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authenticate

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The definition of authenticate is to show or certify that something is not a copy of anything else.

(verb)

An expert in antique vases who examines a vase to verify that it is not a replicate or fake is an example of an expert that will authenticate the vase.

See authenticate in Webster's New World College Dictionary

transitive verb authenticated, authenticating

to make authentic or valid
to establish the truth of; verify
to prove to be genuine or as represented

Origin: < ML authenticatus, pp. of authenticare < LL authenticus

Related Forms:

authentication noun
authenticator noun

See authenticate in American Heritage Dictionary 4

transitive verb au·then·ti·cat·ed, au·then·ti·cat·ing, au·then·ti·cates

To establish the authenticity of; prove genuine: a specialist who authenticated the antique samovar. See Synonyms at confirm.

Related Forms:

au·thenˌti·caˈtion noun

au·thenˈti·caˌtor noun

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