Affiance /(ăf*fī"ans)/

1. 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.

imp. & p. p. affianced; p. pr. & vb. n. affiancing

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.

2. To assure by promise. [Obs.]