affiance /əˈfaɪ.əns/noun 2verb 1forms 3 noun2 •Faith, trust.All other outward shewes and exterior apparences are common to all religions: As hope, affiance [translating confiance], events, ceremonies, penitence and martyrdome. — 1603 •(no longer used) A solemn engagement, especially a pledge of marriage.I that Ladie to my spouse had wonne; / Accord of friends, consent of parents sought, / Affiance made, my happinesse begonne […] — 1590 verb1 •(literary) To be betrothed to; to promise to marry.She left our former teacher at the altar. Oh well, it's no secret that Prissy was affianced to our former teacher, but justifiably fled the wedding. — 2018 formsaffianced · affiancing · affiances