Affiance

to pledge by promise of marriage; betroth.
a pledging of faith, as a marriage contract.
trust; confidence; reliance.
historical examples

jealousy and distrust are the bane of friendship, whose essence is esteem and affiance.
letters on the improvement of the mind hester chapone

thus he pledged his faith, and the duke accepted his affiance.
french mediaeval romances from the lays of marie de france marie de france

he is a traitor to affiance and abuse to employment, and a rule of villainy in a plot of mischief.
character writings of the 17th century various

the young duke of hamilton was, however, the successful one; and the pledge of affiance p-ssed mutually.
the memorials of the hamlet of knightsbridge henry george davis

their notion of the real meaning of the period of affiance commended itself entirely to his lofty sentiments.
kophetua the thirteenth julian corbett

william made use of haralds compulsory sojourn to make him swear allegiance to him, and affiance him to his daughter.
the sagas of olaf tryggvason and of harald the tyrant (harald haardraade) snorri sturluson

in the words of the old church service, “her soul must ever have affiance in g-d.”
household papers and stories harriet beecher stowe

it is not well done for a king to affiance himself to one woman when he already has another for his wife.
historical tales, vol. 9 (of 15) charles morris

that attachment and affiance, which ought to subsist between the dependant and his protector, are destroyed.
letters on the improvement of the mind hester chapone

for nothing that man can give would i have you doubt my faith and affiance.
french mediaeval romances from the lays of marie de france marie de france

verb
(transitive) to bind (a person or oneself) in a promise of marriage; betroth
noun
(archaic) a solemn pledge, esp a marriage contract
v.

1520s, “to promise,” from old french afiancier “to pledge, promise, give one’s word,” from afiance (n.) “confidence, trust,” from afier “to trust,” from late latin affidare, from ad- “to” (see ad-) + fidare “to trust,” from fidus (see affidavit). from mid-16c. especially “to promise in marriage.” related: affianced; affiancing.