Affiance — Defs

01 n. Plighted faith; marriage contract or promise.

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.” — Sir J. Stephen.

“Lancelot, my Lancelot, thou in whom I have Most joy and most affiance.” — Tennyson.

02 v. t. To betroth; to pledge one's faith to for marriage, or solemnly promise (one's self or another) in marriage.

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.” — Spenser.
2.
To assure by promise.[Obs.]