I refute
Definitions
To prove a statement, theory, or argument to be false or incorrect.
To deny the truth or accuracy of something.
Examples
I refute the claim that the project was completed without proper oversight.
I refute your argument because it relies on outdated statistics and biased sources.
I refute the allegations made against my character during the board meeting.
Synonyms
I rebut I disprove I contradict I counter I debunk I invalidate I gainsay
Antonyms
I confirm I validate I corroborate I support I verify I endorse I substantiate