He refutes the notion that he's planning to retire soon.
She refuted the allegations against her.
But for every study that shows acid rain is damaging frogs, another one refutes it. —Emily Yoffe, New York Times Magazine, 13 Dec. 1992
And it violates the basic tenet of historical method: that the historian be alert to the negative instances that would refute his thesis and to alternative explanations that would be more plausible than his own. —Gertrude Himmelfarb, The New History and the Old, 1987
It is not necessary to refute such an argument point by point … —Denis Goulet, Center Magazine, May 1969
We refute these aspersions whether they come from our best friends or our worst foes. —Sir Winston Churchill, address in House of Commons, 18 Jan. 1945, in Nathan Aus, ed., Voices of History 1945–46, 1946