confute
Concise Oxford English Dictionary © 2008 Oxford University Press:
confute/kənˈfjuːt/
▶verb formal prove to be wrong.
– derivatives
confutation noun.
confutation noun.
– origin C16 (earlier (ME) as confutation): from L. confutare ‘restrain, answer conclusively’, from con- ‘altogether’ + the base of refutare ‘refute’.
'confute' also found in these Oxford entries:

