The phrase "go by" can be considered as a multi-purpose term, meaning it can have different synonyms depending on the context. If we're talking about time, "go by" can be synonymous to the terms "pass," "elapse," or "tick away." If we're talking about actions or procedures, "go by" can be replaced with "follow," "adhere to," or "abide by." It can also be used to mean "judge" or "base on," in which case synonyms could be "assess," "evaluate," or "evaluate according to." "Go by" can also mean "identify" or "be known as, in which it can be switched-up with synonyms like "refer to," "categorize," or "label as".