Antonyms for the phrase "giving a bad name" would be terms that imply the opposite sentiment - such as promoting or enhancing one's reputation, celebrating or acknowledging someone's worth, or uplifting their status. Instead of "giving a bad name," one could use "building a good reputation," "adding value," or "raising the bar." These antonyms can help convey positivity, support, and encouragement, as well as denote a sense of appreciation and respect for an individual or group's accomplishments. Ultimately, the use of antonyms can help create a more uplifting and positive tone in communication, fostering a sense of confidence and empowerment in those being talked about.