Avouch

• POS: Verb (transitive)
• HYPHEN: a=vouch

CIDE DICTIONARY

Avouch, v. t. [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.].

•  To appeal to; to cite or claim as authority.  [1913 Webster]

  "They avouch many successions of authorities."  [1913 Webster]
•  To maintain a just or true; to vouch for.  [1913 Webster]

  "We might be disposed to question its authenticity, it if were not avouched by the full evidence."  [1913 Webster]
•  To declare or assert positively and as matter of fact; to affirm openly.  [1913 Webster]

  "If this which he avouches does appear."  [1913 Webster]

  "Such antiquities could have been avouched for the Irish."  [1913 Webster]
•  To acknowledge deliberately; to admit; to confess; to sanction.  [1913 Webster]

  "Thou hast avouched the Lord this day to be thy God."  [1913 Webster]

Avouch, n. 

 Evidence; declaration.  [1913 Webster]
"The sensible and true avouch
Of mine own eyes."  [1913 Webster]

OXFORD DICTIONARY

Avouch, v.tr. & intr. archaic or rhet. guarantee, affirm, confess.

Derivative

avouchment n.

Etymology

ME f. OF avochier f. L advocare (as AD-, vocare call)

THESAURUS

Avouch

acknowledge, admit, affirm, allege, announce, annunciate, argue, assert, assever, asseverate, assure, attest, aver, avow, bear witness, certify, confess, confirm, contend, corroborate, countersign, declare, depone, depose, disclose, enunciate, express, express the belief, give evidence, guarantee, have, hold, insist, issue a manifesto, lay down, maintain, make a promise, manifesto, own, pledge, plight, predicate, proclaim, profess, promise, pronounce, protest, put, put it, say, set down, speak, speak out, speak up, stand for, stand on, state, submit, swear, testify, troth, underwrite, vouch, vow, warrant, witness

ROGET THESAURUS

Avouch

Affirmation

VB assert, make an assertion, have one's say, say, affirm, predicate, declare, state, protest, profess, put forth, put forward, advance, allege, propose, propound, enunciate, broach, set forth, hold out, maintain, contend, pronounce, pretend, depose, depone, aver, avow, avouch, asseverate, swear, make oath, take one's oath, make an affidavit, swear an affidavit, put in an affidavit, take one's Bible oath, kiss the book, vow, vitam impendere vero, swear till one is black in the face, swear till one is blue in the face, swear till all's blue, be sworn, call Heaven to witness, vouch, warrant, certify, assure, swear by bell book and candle, swear by, insist upon, take one's stand upon, emphasize, lay stress on, assert roundly, assert positively, lay down, lay down the law, raise one's voice, dogmatize, have the last word, rap out, repeat, reassert, reaffirm, announce, acknowledge, attest, adjure.