Synonyms and related words :
bureaucracy, directorate, hierarchy, higher echelons, higher-ups, holdover, incumbent, jack-in-office, lame duck, management, ministry, new broom, office-bearer, officeholder, officialdom, prelacy, president-elect, public official, public servant, ruling class, ruling classes, the Establishment, the administration, the authorities, the ingroup, the interests, the people upstairs, the power elite, the power structure, the top, them, they, top brass