Plighted faith; marriage contract or promise. (archaic)
2.
Trust; reliance; faith; confidence. (archaic) "Such feelings promptly yielded to his habitual affiance in the divine love.""Lancelot, my Lancelot, thou in whom I have Most joy and most affiance."
... rest, O Lord, nor have quiet, But fill my soul with spiritual travail, To sing and say, O mercy, Jesu sweet; Thou my protection art in the battail. Set thou aside all other apparail; Let me in thee feel all my affiance. Treasure of treasures, thou dost most avail. Grant ere ... — By What Authority? • Robert Hugh Benson
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