noun

a small group of people with shared interests or tastes, especially one that is exclusive of other people.

a coterie of friends and advisers

clique,set,circle,inner circle,crowd,in-crowd,gang,band,pack,crew,clan,club,fellowship,brotherhood,fraternity,sorority,sect,camp,community,league,alliance,faction,cabal,junta,caucus,syndicate,nucleus,cell,push