Open English Wordnet
Nouns
(n)authority, authorization, authorisation, potency, dominance, say-sothe power or right to give orders or make decisions“he has the authority to issue warrants”, “deputies are given authorization to make arrests”, “a place of potency in the state”
(n)assurance, self-assurance, confidence, self-confidence, authority, surenessfreedom 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”
(n)agency, federal agency, government agency, bureau, office, authorityan administrative unit of government“the Central Intelligence Agency”, “the Census Bureau”, “Office of Management and Budget”, “Tennessee Valley Authority”
(n)authority, authorization, authorisation, sanctionofficial permission or approval“authority for the program was renewed several times”