"Playing into" is a phrase that is commonly used to describe situations where someone is unintentionally contributing to an outcome or perpetuating a stereotype. However, there are several synonyms that can be used in its place, including "feeding into," "reinforcing," "exacerbating," and "supporting." Each of these phrases conveys a similar meaning to "playing into," but with slightly different connotations. "Feeding into" suggests that someone is actively contributing to a situation, while "reinforcing" implies a greater degree of support for a particular outcome. "Exacerbating" means to make a problem worse, and "supporting" implies tacit approval of an outcome. Overall, using synonyms for "playing into" can help to add variety and nuance to communication.