avouch

v. t. [ imp. & p. p. Avouched (&unr_;); 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. ] [ 1913 Webster ]

They avouch many successions of authorities. Coke. [ 1913 Webster ]

2. 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. Milman. [ 1913 Webster ]

3. To declare or assert positively and as matter of fact; to affirm openly. [ 1913 Webster ]

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

Such antiquities could have been avouched for the Irish. Spenser. [ 1913 Webster ]

4. To acknowledge deliberately; to admit; to confess; to sanction. [ 1913 Webster ]

Thou hast avouched the Lord this day to be thy God. Deut. xxvi. 17. [ 1913 Webster ]