from
The Collaborative International Dictionary of English v.0.48
Avouch \A*vouch"\, v. t. [imp. & p. p. {Avouched} (?); p. pr. &
vb. n. {Avouching}.] [OF. avochier, LL. advocare to recognize
the existence of a thing, to advocate, fr. L. advocare to
call to; ad + vocare to call. Cf. {Avow} to declare,
{Advocate}, and see {Vouch}, v. t.]
1. To appeal to; to cite or claim as authority. [Obs.]
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They avouch many successions of authorities. --Coke.
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2. To maintain a just or true; to vouch for.
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We might be disposed to question its authenticity,
it if were not avouched by the full evidence.
--Milman.
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3. To declare or assert positively and as matter of fact; to
affirm openly.
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If this which he avouches does appear. --Shak.
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Such antiquities could have been avouched for the
Irish. --Spenser.
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4. To acknowledge deliberately; to admit; to confess; to
sanction.
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Thou hast avouched the Lord this day to be thy God.
--Deut. xxvi.
17.
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