Certificate

n.
  1. A written testimony to the truth of any fact; as, certificate of good behavior.
  2. A written declaration legally authenticated.
  3. Trial by certificate ,
    a trial which the testimony of the person certifying is the only proper criterion of the point in dispute; as, when the issue is whether a person was absent in the army, this is tried by the certificate of the proper officer in writing, under his seal.

v. t.
  1. To verify or vouch for by certificate.
  2. To furnish with a certificate; as, to certificate the captain of a vessel; a certificated teacher.