To declare openly and boldly, as something believed to be right; to own, acknowledge or confess frankly. (verb)
Examples of word avow
To punish men for beliefs they dare to avow is to risk punishing the sincere and to allow hypocrites to go unpunished.
Yet she could not bring herself to avow it openly, either at or after the luncheon.
In order to achieve full civil rights now, we avow:
Ennahda party leaders have said that the Assembly will focus on democracy, human rights and a free-market economy -- and will not introduce Sharia law or other Islamic concepts to alter what they avow to be a secular constitutional text.
They openly avow their objective is to institute Sharia law wherever they rule.