Affiance

Part of speech: noun (n.)

1. Plighted faith; marriage contract or promise.

2. Trust; reliance; faith; confidence. Such feelings promptly yielded to his habitual affiance in the divine love. Sir J. Stephen. Lancelot, my Lancelot, thou in whom I have Most joy and most affiance. Tennyson.

Part of speech: verb (v.)

1. To betroth; to pledge one's faith to for marriage, or solemnly promise (one's self or another) in marriage. To me, sad maid, he was affianced. Spenser.

2. To assure by promise. [Obs.] Pope.