Synonyms for Government (same or very similar meaning)
WordNet sense 1 (the organization that is the governing authority of a political unit):
authorities, regimeWordNet sense 2 (the study of government of states and other political units):
politics, political scienceWordNet sense 3 (the act of governing; exercising authority):
governance, governing, government activityFrom the ODE community, based on WordNetadd/edit