Pass for is a phrase that means to be accepted as or mistaken for someone or something else. There are several synonyms for this phrase that can be used interchangeably. One synonym for pass for is to be taken for, which means to be perceived as a certain type without actually being one. Another synonym is to pass off as, which suggests that a person is intentionally pretending to be something he or she is not. Other synonyms include posing as, being mistaken for, being identified as and being seen as. Whatever word is used, it is clear that pass for is a versatile phrase with a great deal of nuance and meaning.