attestv. t.[L. attestari; ad + testari to bear witness: cf. F. attester.]1. To bear witness to; to certify; to affirm to be true or genuine; as, to attest the truth of a writing, a copy of record.()Facts . . . attested by particular pagan authors. (Addison.)2. To give proof of; to manifest; as, the ruins of Palmyra attest its ancient magnificence.()3. To call to witness; to invoke.()The sacred streams which Heaven's imperial state
Attests in oaths, and fears to violate. (Dryden.)n. Witness; testimony; attestation.()The attest of eyes and ears. (Shak.)