VOUCH

vouch. Vouch, n. a warrant, attestation; v. to witness, to attest

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Vouch (?), v. t. [imp. & p. p. Vouched (?); p. pr. & vb. n. Vouching.] [[OE. vouchen, OF. vochier to call, fr. L. vocare to call, fr. vox, vocis, voice. See Voice, and cf. Avouch.]] 1. 1. To call; to summon.
vouch (as I might say) to their aid the authority of the writers. Sir T. Elyot. 2. 2. To call upon to witness; to obtest.
Vouch the silent stars and conscious moon. Dryden. 3. 3. To warrant; to maintain by affirmations; to attest; to affirm; to avouch.
They made him ashamed to vouch the truth of the relation, and afterwards to credit it. Atterbury. 4. 4. To back; to support; to confirm; to establish.
Me damp horror chilled At such bold words vouched with a deed so bold. Milton. 5. 5. (Law) To call into court to warrant and defend, or to make good a warranty of title.
He vouches the tenant in tail, who vouches over the common vouchee. Blackstone. Syn. — To obtest; declare; affirm; attest; warrant; confirm; asseverate; aver; protest; assure.