attest (verb) - to bear witness to or certify; to affirm to be correct, true, or genuine [uh-test]
BREAKDOWN: A- (to) + TEST- (witness)
attestation is the state of or proof of witness, confirmation, or authentication
an attestant is one who bears witness, certifies, or confirms
"A funeral is a pageant whereby we attest our respect for the dead by enriching the undertaker." —Ambrose Bierce
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