The phrase "have a go at each other" means to argue, fight, or criticize each other. To find antonyms for this phrase, we need to look for words that represent the opposite of conflict or hostility. Some good options include "collaborate," "cooperate," "work together," "support each other," and "be kind to one another." By choosing to use these antonyms instead of phrases that emphasize hostility and negativity, we can build stronger relationships with those around us and create a more supportive and positive environment for all. So the next time you feel tempted to have a go at someone, try using a more constructive approach instead!