faith
Cross references: 1. belief 1. faith \'fa-th\ \'fa-ths, 'fa-thz\ n or faiths [ME feith, fr. OF feid, foi, fr. L fides; akin to L ] pl fidere to trust - more at BIDE 1a: allegiance to duty or a person : LOYALTY 1b: fidelity to one's promises 2a1: belief and trust in and loyalty to God 2a2: belief in the traditional doctrines of a religion 2b1: firm belief in something for which there is no proof 2b2: complete confidence 3: something that is believed esp. with strong conviction; esp : a system of religious beliefs : by my faith - in faith 2. faith vt archaic : BELIEVE, TRUST
Webster's English Dictionary