Synonyms of the word

disbelieve

• v. To not believe; to exercise disbelief.
• v. To actively deny (a statement, opinion or perception).
• v. To cease to believe.

discredit

• v. (transitive) To harm the good reputation of a person; to cause an idea or piece of evidence to seem false…
• n. The act of discrediting or disbelieving, or the state of being discredited or disbelieved.
• n. A degree of dishonour or disesteem; ill repute; reproach.

reject

• v. (transitive) To refuse to accept.
• v. (basketball) To block a shot, especially if it sends the ball off the court.
• n. Something that is rejected.
• n. (derogatory slang) An unpopular person.