See discredit in Webster's New World Roget's A-Z Thesaurus II
verb
To damage in reputation:
disgrace, dishonor, shame. Idiom: be a reproach to. See respectTo cause to be no longer believed or valued:
debunk, deflate, explode, puncture. (Informal) shoot down. Idioms: knock the bottom out of, shoot full of holes. See valueTo prove or show to be false:
belie, confute, disprove, rebut, refute. See affirmTo give no credence to:
disbelieve. Idiom: take no stock in. See belief
noun
Loss of or damage to one's reputation:
bad name, bad odor, disgrace, dishonor, disrepute, humiliation, ignominy, ill repute, obloquy, odium, opprobrium, shame. See respectThe refusal or reluctance to believe:
disbelief, incredulity, incredulousness, unbelief. See belief
Learn more about discredit