Noah Webster
Affiance
AFFI'ANCE, noun [Latin fido, fides.]
1. The marriage contract or promise; faith pledged.
2. Trust in general; confidence; reliance.
The Christian looks to God with implicit affiance
AFFI'ANCE, verb transitive
1. To betroth; to pledge one's faith or fidelity in marriage, or to promise marriage.
To me, sad maid, he was affianced.
2. To give confidence
Affianced in my faith.