Verb

(es)

To declare freely and openly; to assert.

* Shakespeare

if this which he avouches does appear

* Spenser

Such antiquities could have been avouched for the Irish.

To acknowledge deliberately; to admit; to confess; to sanction.

* Bible, Deuteronomy xxvi. 17

Thou hast avouched the Lord this day to be thy God.

To confirm or verify, to affirm the validity of.

* Milman

We might be disposed to question its authenticity, it if were not avouched by the full evidence.

To appeal to; to cite or claim as authority.

* Edward Coke

They avouch many successions of authorities.

Verb

(persuad)

To successfully convince (someone) to agree to, accept, or do something, usually through reasoning and verbal influence. Compare sway.

That salesman was able to persuade me into buying this bottle of lotion.

* (William Shakespeare) (c.1564–1616)

We will persuade him, be it possible.

*

The boy became volubly friendly and bubbling over with unexpected humour and high spirits. He tried to persuade Cicely to stay away from the ball-room for a fourth dance. Nobody would miss them, he explained.

* {{quote-news, year=2011, date=November 10, author=Jeremy Wilson, work=Telegraph

, title= England Under 21 5 Iceland Under 21 0: match report , passage=The most persistent tormentor was Alex Oxlade-Chamberlain, who scored a hat-trick in last month’s corresponding fixture in Iceland. His ability to run at defences is instantly striking, but it is his clever use of possession that has persuaded some shrewd judges that he is an even better prospect than Theo Walcott.}}

To urge, plead; to try to convince (someone to do something).

* (Bible), 2 (w) xviii. 32

Hearken not unto Hezekiah, when he persuadeth you.

* 1834 , (w), A Narrative of the Life of , Nebraska 1987, p. 34:

He persuaded me to go home, but I refused.

(obsolete) To convince of by argument, or by reasons offered or suggested from reflection, etc.; to cause to believe.

* (Bible), (w) vi. 9

Beloved, we are persuaded better things of you.