When it comes to finding synonyms for the phrase "go back to," there are several options that can be used depending on the context. For instance, "return to" is a simple and straightforward option that suggests someone is going back to a previous location or state. "Revisit" is another synonym that can be used to suggest a person is going back to something they have seen, experienced, or done before. "Revert to" is also a suitable alternative that suggests a backtracking or returning to a previous state. Lastly, "retreat to" can be used to suggest someone is going back to a place of safety or comfort.