Noah Webster's Dictionary 1. (v. t.) To bear witness to; to certify; to affirm to be genuine; as, to attest the truth of a writing. 2. (v. t.) To give proof of; to manifest; as, the ruins of Palmyra attest its ancient magnificence. 3. (v. t.) To call to witness; to invoke. 4. (n.) Witness; testimony; attestation.

Multi-Version Concordance Attest (1 Occurrence) 2 Corinthians 12:6 If however I should choose to boast, I should not be a fool for so doing, for I should be speaking the truth. But I forbear, lest any one should be led to estimate me more highly than what his own eyes attest, or more highly than what he hears from my lips. (WEY)