[noun] the power or right to give orders or make decisions; "he has the authority to issue warrants"; "deputies are given authorization to make arrests" Synonyms:authorization, authorisation, dominance, say-so
[noun] (usually plural) persons who exercise (administrative) control over others; "the authorities have issued a curfew"
[noun] an expert whose views are taken as definitive; "he is an authority on corporate law"
[noun] freedom from doubt; belief in yourself and your abilities; "his assurance in his superiority did not make him popular"; "after that failure he lost his confidence"; "she spoke with authority" Synonyms:assurance, self-assurance, confidence, self-confidence, sureness
[noun] an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority" Synonyms:agency, federal agency, government agency, bureau, office
[noun] official permission or approval; "authority for the program was renewed several times" Synonyms:authorization, authorisation, sanction
[noun] an authoritative written work; "this book is the final authority on the life of Milton"