The Oxford Thesaurus An A-Z Dictionary of Synonyms - fraternityn.

1) community, brotherhood, crowd, set, clique, coterie, circle, society, US club: Rumours have been circulating in the academic fraternity for months. 2) brotherliness, kinship, fellowship, camaraderie, sodality, comradeship, friendship, companionship, relatedness, closeness, association, affiliation, solidarity, unity, esprit de corps, clannishness: A sense of fraternity prevents them from betraying one another. 3) company, guild, clan, league, club, union, society, association: She has joined the fraternity of legal clerks.