Refute
The opposite of refute is confirm or validate, meaning to support or prove true.
To refute a claim with a counterclaim, you must support your argument with evidence to ensure the validity of your claims.
To support a hypothesis means you agree, and may even give supporting evidence.To refute it means you submit evidence that a hypothesis is incorrect , or you make a cogent and persuasive argument against it.
support
Whom or what does Vanzetti blame for his conviction? Does Vanzetti's statement support or refute the perception that he is a dangerous radical? He sounds like he's sorry for himself, but he knows that he would do it all over again if he had the chance.
Most believe that he was born in Haiti, but there is no documentary evidence to support or refute that belief.
The plural of refute is refutes. As in "the company refutes the claims".
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I have nothing to refute your hypothesis.
The lawyer had no argument to refute the evidence against his client. Refute means to disprove.
Are you able to refute the testimony that the witness just presented.
Sally will refute Ben's false accusation