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v. vouched, vouch·ing, vouch·es v.intr. 1. To give personal assurances or a guarantee: vouch for an old friend's trustworthiness. 2. To constitute supporting evidence; give substantiation: a candidate whose strong record vouches for her ability. v.tr. Archaic 1. To substantiate by supplying evidence; prove: "When any particular matter of fact is vouched by the concurrent testimony of unsuspected witnesses, there our assent is also unavoidable" (John Locke). 2. Law To summon (someone) as a witness to give warranty of title. 3. To refer to (an authority, for example) in support or corroboration; cite. 4. To assert; declare. n. Obsolete A declaration of opinion; an assertion. [Middle English vouchen, to summon to court, warrant, from Anglo-Norman voucher, probably from Vulgar Latin *voticāre, alteration of Latin vocitāre, frequentative of vocāre, to call; see wekw- in the Appendix of Indo-European roots.] |
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