Avouch

Neither indeede would I have thought, that any such antiquities could have been avouched for the Irish, that maketh me the more to long to see some other of your observations, which you have gathered out of that country […]

Source: wiktionary

If this which he avouches does appear, There is nor flying hence nor tarrying here.

Source: wiktionary

Thou hast avouched the Lord this day to be thy God, and to walk in his ways, and to keep his statutes, and his commandments, and his judgments, and to hearken unto his voice: And the Lord hath avouched thee this day to be his peculiar people, as he hath promised thee, and that thou shouldest keep all his commandments;

Source: wiktionary

[…] send me that hag hither; she shall avouch what it was that she hath given to the wretch Dryfesdale, or the pilniewinks and thumbikins shall wrench it out of her finger-joints.

Source: wiktionary