D defs.my
Entry 4 senses · 2 variants Webster, 1913

Attest

/ət-ĕst'/ · At·test · IPA /əˈtɛst/
01 v. t. To bear witness to; to certify; to affirm to be true or genuine; as, to attest the truth of a writing, a copy of record.
imp. & p. p. Attested; p. pr. & vb. n. Attesting
  1. 1.
    To bear witness to; to certify; to affirm to be true or genuine; as, to attest the truth of a writing, a copy of record.
    “Facts . . . attested by particular pagan authors.” Addison.
  2. 2.
    To give proof of; to manifest; as, the ruins of Palmyra attest its ancient magnificence.
  3. 3.
    To call to witness; to invoke.[Archaic]
    “The sacred streams which Heaven's imperial state Attests in oaths, and fears to violate.” Dryden.
02 n. Witness; testimony; attestation.
  1. 1.
    Witness; testimony; attestation.[R.]
    “The attest of eyes and ears.” Shak.