Avouch

Origin

From Old French avouchier, from Latin advocāre, present active infinitive of advocō.

Full definition of avouch

Verb

1. To declare freely and openly; to assert.
• Shakespeareif this which he avouches does appear
• SpenserSuch antiquities could have been avouched for the Irish.
2. To acknowledge deliberately; to admit; to confess; to sanction.
• Bible, Deuteronomy xxvi. 17Thou hast avouched the Lord this day to be thy God.
3. To confirm or verify, to affirm the validity of.
• MilmanWe might be disposed to question its authenticity, it if were not avouched by the full evidence.
4. To appeal to; to cite or claim as authority.
• Edward CokeThey avouch many successions of authorities.

Noun

1. (obsolete) evidence; declaration
• ShakespeareThe sensible and true avouch
  Of mine own eyes.