fraternity

1 a group of persons formally joined together for some common interest a firm believer in community service and a dedicated member of the local fraternity of Good Samaritans Synonyms board, brotherhood, chamber, club, college, congress, consortium, council, fellowship, association, guild (also gild), institute, institution, league, order, organization, society, sodalityRelated Words collective, commune, community, cooperative; alliance, bloc, camp, coalition, partnership; body, cadre, group; circle, clan, clique, coterie, junta, junto, klatch (also klatsch), lot, set; crew, outfit, party, squad, team; branch, chapter, local; faithful, fold, membership; sisterhood, sorority; cabal, camarilla, camorra, confederacy, conspiracy; band, gang, ring; cartel, combine, syndicate

2 the body of people in a profession or field of activity the fraternity of civil engineers Synonyms brotherhood, community, fellowship, corps, sodality, vocationRelated Words calling, profession; association, club, federation, guild (also gild), organization, society