"Falls into" is a phrasal verb that means "to become a member of" or "to be included in." However, there are several other phrases and words that one can use instead of "falls into" depending on the context and the desired tone of the writing. Some of the synonyms for "falls into" include "fits into," "aligns with," "becomes part of," "joins," "enters into," "adheres to," "conforms with," and "belongs in." Writers can choose these synonyms to convey a more specific meaning or to vary their word choice and make their writing more engaging.