The Oxford Thesaurus An A-Z Dictionary of Synonyms - faith n.

1) belief, credence, confidence, conviction, trust, certainty, certitude, assurance, assuredness, sureness, reliance, dependence: His faith in God is unassailable. I have great faith in her ability. 2) belief, religion, creed, persuasion, dogma, teaching, doctrine, denomination, sect: To which faith do you belong? She is of the Jewish faith. 3) duty, allegiance, obligation, promise, faithfulness, loyalty, fidelity, devotion, consecration, dedication, fealty, obedience: Don't break faith with your electorate by supporting the bill.