Noun

• S: (n) group, grouping (any number of entities (members) considered as a unit)
• S: (n) group, radical, chemical group ((chemistry) two or more atoms bound together as a single unit and forming part of a molecule)
• S: (n) group, mathematical group (a set that is closed, associative, has an identity element and every element has an inverse)

Verb

• S: (v) group (arrange into a group or groups) "Can you group these shapes together?"
• S: (v) group, aggroup (form a group or group together)
• direct troponym / full troponym
• direct hypernym / inherited hypernym / sister term
• S: (v) meet, gather, assemble, forgather, foregather (collect in one place) "We assembled in the church basement"; "Let's gather in the dining room"
• derivationally related form
• sentence frame