confute[verb]Synonyms: disprove, break, confound, controvert, disconfirm, evert, rebut, refute
 [TahlilGaran] English Synonym Dictionary ▲
 con‧fute /kənˈfjuːt/ 
 verb [transitive] formal to prove that a person or an argument is completely wrong 
 [TahlilGaran] Dictionary of Contemporary English ▲