avouch

Example:The company retracted its earlier statement of financial loss.

Definition:To take back or cancel a statement or claim; to withdraw; to recall from assertion.

Example:He denied the allegations vehemently.

Definition:To refuse belief in; to refuse to admit, acknowledge, or accept; to refuse to concede that something is true or real.

Example:The opposing counsel rebuts the argument presented.

Definition:To prove the falsity or invalidity of.