social group - people sharing some social relation

sector - a body of people who form part of society or economy; "the public sector"

civilization, civilisation - a society in an advanced state of social development (e.g., with complex legal and political and religious organizations); "the people slowly progressed from barbarism to civilization"

culture, civilisation, civilization - a particular society at a particular time and place; "early Mayan civilization"

open society - a society that allows its members considerable freedom (as in a democracy); "America's open society has made it an easy target for terrorists"

tribal society - a society with the social organization of a tribe

social organisation, social organization, social structure, social system, structure - the people in a society considered as a system organized by a characteristic pattern of relationships; "the social organization of England and America is very different"; "sociologists have studied the changing structure of the family"

association - a formal organization of people or groups of people; "he joined the Modern Language Association"

athenaeum, atheneum - a literary or scientific association for the promotion of learning

bookclub - a club that people join in order to buy selected books at reduced prices

chapter - a local branch of some fraternity or association; "he joined the Atlanta chapter"

chess club - a club of people to play chess

country club - a suburban club for recreation and socializing

frat, fraternity - a social club for male undergraduates

glee club - a club organized to sing together

golf club - a club of people to play golf

hunt club, hunt - an association of huntsmen who hunt for sport

investors club - a club of small investors who buy and sell securities jointly

jockey club - a club to promote and regulate horse racing

racket club - club for players of racket sports

rowing club - a club for person who row

slate club - a group of people who save money in a common fund for a specific purpose (usually distributed at Christmas)

sorority - a social club for female undergraduates

turnverein - a club of tumblers or gymnasts

boat club, yacht club - club that promotes and supports yachting and boating

service club - a club of professional or business people organized for their coordination and active in public services

club member - someone who is a member of a club

freemasonry - a natural or instinctive fellowship between people of similar interests; "he enjoyed the freemasonry of the Press"

friendly relationship, friendship - the state of being friends

Four Hundred - the exclusive social set of a city

elite, elite group - a group or class of persons enjoying superior intellectual or social or economic status