grouping

(noun) any number of entities (members) considered as a unit. Synonyms: group.

(noun) the activity of putting things together in groups.

(noun) a system for classifying things into groups. Synonyms: pigeonholing.

(verb) arrange into a group or groups. Synonyms: group. Example: "Can you group these shapes together?."

(verb) form a group or group together. Synonyms: group, aggroup.