Avouch

Webster's Dictionary of the English Language

·noun Evidence; declaration.

II. Avouch ·vt To maintain a just or true; to vouch for.

III. Avouch ·vt To appeal to; to cite or claim as authority.

IV. Avouch ·vt To declare or assert positively and as matter of fact; to affirm openly.

V. Avouch ·vt To acknowledge deliberately; to Admit; to Confess; to Sanction.