-təˌkāt, usu -ād.+V transitive verb
( -ed/-ing/-s )
Etymology: Medieval Latin authenticatus, past participle of authenticare, from Late Latin authenticus authentic
: to make authentic:
a. : to make authoritative : give authority to
a book that is authenticated by the renown of those who contributed to it
b. : to make valid and effective by the proof, attestation, or formalities required by law
an authenticated grant of land
c. : to make credible : make evident the reasonableness or logical necessity of accepting (a theory, assertion, or reputed fact)
authenticating her testimony by her obvious sincerity
the date can be authenticated by documentary proof
d. : to establish convincingly as accurate, true, real, or genuine
well- authenticated information
an authenticated diamond
e. : to establish a conclusive basis for accepting as truly of an averred character, function, or position
a diplomat authenticating himself and the object of his mission
f. : to verify the origin of : prove the authorship of
a priceless and authenticated painting of Rembrandt
Synonyms: see confirm