Definition of "Faith" :

noun: loyalty or allegiance to a cause or a person

"Keep the faith."

noun: complete confidence in a person or plan etc

"He cherished the faith of a good woman."

noun: a strong belief in a supernatural power or powers that control human destiny

"He lost his faith but not his morality."

noun: an institution to express belief in a divine power

"A member of his own faith contradicted him."