Related topics: Groupings
a number of people, things, or organizations that do something together or have the same interests, qualities, or features
a grouping of eight opposition parties
political/social/economic etc grouping
During this period the family unit becomes the natural social grouping.
a loose grouping (=informal and not well organized) of anti-capitalist protesters
the act of putting people or things into groups:
the grouping of students by ability