Hypertext Webster Gateway: "authenticate"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Authenticate \Au*then"ti*cate\, v. t. [imp. & p. p.
{Authenticated}; p. pr. & vb. n. {Authenticating} (?).] [Cf.
LL. authenticare.]
1. To render authentic; to give authority to, by the proof,
attestation, or formalities required by law, or sufficient
to entitle to credit.
The king serves only as a notary to authenticate the
choice of judges. --Burke.
2. To prove authentic; to determine as real and true; as, to
authenticate a portrait. --Walpole.
From WordNet (r) 1.7 (wn)
authenticate
v : establish the authenticity of something
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