"Be classified under" is a common phrase used to describe how something is categorized or organized. However, there are a number of synonyms that can be used to convey similar meaning while adding variation and nuance to language use. Some possible synonyms for "be classified under" include "be grouped under," "be catalogued as," "be assigned to," "be sorted into," "fall into the category of," "be included in," "be organized within," and "be placed under." Each of these phrases provides a slightly different perspective on the way in which information or objects are sorted and organized based on their characteristics or attributes.