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

1) brotherliness, fellowship, companionship, alliance, friendship, comradeship, camaraderie, kinship: We should all live together in harmony and brotherhood. 2) fraternity, guild, society, association, order, league, union, organization, club, community, circle, set, clique: The tribes fused into a united and enthusiastic brotherhood.