attest: Meaning and Definition of

at•test

1. to bear witness to; certify; declare to be correct, true, or genuine; declare the truth of, in words or writing, esp. affirm in an official capacity: to attest the truth of a statement.
2. to give proof or evidence of; manifest: His works attest his industry.
3. to put on oath.

1. to testify or bear witness (often fol. by to): to attest to the reliability of an employee.

1. witness; testimony; attestation.