1. Confident belief in the truth, value, or trustworthiness of a person, idea, or thing.
2. Belief that does not rest on logical proof or material evidence. See synonyms at belief, trust.
3. Loyalty to a person or thing; allegiance: keeping faith with one’s supporters.
4. often Faith Christianity. The theological virtue defined as secure belief in God and a trusting acceptance of God’s will.
5. The body of dogma of a religion: the Muslim faith.
6. A set of principles or beliefs.