American Heritage® Dictionary: Definition of faith
NOUN:
Confident belief in the truth, value, or trustworthiness of a person, idea, or thing.
Belief that does not rest on logical proof or material evidence. See Synonyms at belief, trust.
Loyalty to a person or thing; allegiance: keeping faith with one's supporters.
often Faith Christianity The theological virtue defined as secure belief in God and a trusting acceptance of God's will.
The body of dogma of a religion: the Muslim faith.
A set of principles or beliefs.