English version

authenticate

From Longman Dictionary of Contemporary Englishauthenticateau‧then‧tic‧ate /ɔːˈθentɪkeɪt $ ɒː-/ verb [transitive]  REAL/NOT FALSE OR ARTIFICIALto prove that something is true or real The painting has been authenticated by experts. passwords which can authenticate electronic documentsauthentication /ɔːˌθentɪˈkeɪʃən $ ɒː-/ noun [uncountable]→ See Verb table
Examples from the Corpus
authenticateThe Loch Ness Monster's existence has not been authenticated.She emphasised that everything becomes collectable in time, particularly when its history and date of manufacture can be authenticated.Digital certificates provide electronic credentials that enable authenticated and encrypted communications and transactions between sites and individuals over the Internet.Flammer, 24, took the stand to authenticate his pictures Tuesday.Once the first impact crater had been authenticated, other candidates quickly became known.Her company authenticates paintings and other works of art.But Western culture was very reluctant to authenticate reports of meteorite falls.Minorities, especially ethnic minorities, are used to authenticate the affective, melodramatic component of contemporary narratives.These influences might partly be attributed to the official who authenticated the Cologne decree, Asclipiodus.This component can be viewed as the means of authenticating the data.
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Verb table
authenticate
Simple Form
Present
I, you, we, theyauthenticate
he, she, itauthenticates
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Past
I, you, he, she, it, we, theyauthenticated
Present perfect
I, you, we, theyhave authenticated
he, she, ithas authenticated
Past perfect
I, you, he, she, it, we, theyhad authenticated
Future
I, you, he, she, it, we, theywill authenticate
Future perfect
I, you, he, she, it, we, theywill have authenticated
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Continuous Form
Present
Iam authenticating
he, she, itis authenticating
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you, we, theyare authenticating
Past
I, he, she, itwas authenticating
you, we, theywere authenticating
Present perfect
I, you, we, theyhave been authenticating
he, she, ithas been authenticating
Past perfect
I, you, he, she, it, we, theyhad been authenticating
Future
I, you, he, she, it, we, theywill be authenticating
Future perfect
I, you, he, she, it, we, theywill have been authenticating
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