Synonyms and related words :
affiliation, alignment, alliance, amalgamation, association, boon companionship, brotherhood, brotherliness, cahoots, chumship, club, coadunation, coalescence, coalition, colleagueship, collegialism, collegiality, combination, community of interest, companionship, comradeship, confederacy, confederation, confraternity, confrerie, consolidation, consortship, copartnership, copartnery, country club, esprit de corps, federation, fellowship, fraternal order, fraternalism, fraternity, fraternization, freemasonry, fusion, guild, hookup, inclusion, incorporation, integration, league, merger, order, partnership, secret society, sisterhood, sisterliness, society, sodality, tie-in, tie-up, unification, union