1. To bear witness; testify (attest to the defendant’s innocence).
2. To affirm to be true or genuine; to authenticate by signing as a witness (attest the will). [Cases: Wills 113. C.J.S. Wills §§ 253–255.] — attestation (a-te-stay-sh[schwa]n), n. — attestative ([schwa]-tes-t[schwa]-tiv), adj.