- class, category, family - a collection of things sharing a common attribute; "there are two classes of detergents"
--1 is a kind of collection, aggregation, accumulation, assemblage
--1 has members: superphylum
--1 has particulars:Derived form: verb categorize1 - category - a general concept that marks divisions or coordinations in a conceptual scheme
--2 is a kind of concept, conception, construct
--2 has particulars:kind, sort, form, variety; pigeonhole; rubric; way Derived form: verb categorize1