The word "besmirchment" refers to the act of tarnishing or sullying someone's reputation or character. Its antonyms are words that express the opposite meaning, such as praise, flattery, and acclaim. Using these words can elevate someone's reputation and character, increasing their standing in the eyes of others. Other antonyms for besmirchment might include admiration, respect, and reverence. The use of these antonyms can help to build goodwill and foster positive relationships with others. It's important to keep both the negative and positive connotations of words in mind when communicating with others, as they can have a profound impact on how others perceive us.