The antonym for the word "exacerbate" means to alleviate or calm down. If something is causing distress or difficulty, then the opposite is to find a solution or ease the pain. Other antonyms for exacerbate include soothe, mitigate, lessen, pacify, and improve. It's important to understand both the synonyms and antonyms of words so that the appropriate language can be used in any given situation. When communicating with others, it is essential to choose words that accurately convey your intended message. By knowing the antonyms of words, you can communicate in a way that shows compassion, understanding, and empathy towards others.