group action vs brainstorming

Other hyponyms of group action include vote, procession, action, military action, battle, conflict, struggle, revolution, social activity, communalism, alliance, confederation, decolonisation, decolonization, disbandment, disestablishment, dealing, dealings, transaction, stampede, social control, coup, coup d'etat, putsch, takeover, internationalisation, internationalization, nationalisation, nationalization, exchange, interchange, exchange, rally, compliance, submission, competition, contention, rivalry, resistance, nonresistance, due process, due process of law, action, legalisation, legalization, legitimation, separation, desegregation, integrating, integration, cooperation, assemblage, assembly, gathering, attendance, attending, nonattendance, getting even, paying back, return, democratisation, democratization, engagement, involution, involvement, participation, non-engagement, non-involvement, nonparticipation, ethnic cleansing, socialisation, socialization.