Defame refers to the act of damaging someone's reputation or character through false or damaging statements. Its antonyms, on the other hand, refer to words that denote the opposite meaning. The antonyms of defame include words such as commend, praise, exalt, and laud. Commend denotes expressing approval or admiration of someone's behavior, actions, or performance, while praise refers to the expression of admiration or approval for someone's qualities or actions. Exalt denotes praising someone to the highest level possible and showing great respect and admiration towards them, while laud denotes praising someone for their achievements or qualities in a public or formal way.