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Noun authority has 7 senses
  1. authority, authorization, authorisation, dominance, say-so - the power or right to give orders or make decisions; "he has the authority to issue warrants"; "deputies are given authorization to make arrests"
    --1 is a kind of control
    --1 has particulars:
     power of appointment; carte blanche; command; lordship; muscle
  2. authority - (usually plural) persons who exercise (administrative) control over others; "the authorities have issued a curfew"
    --2 is a kind of
    person, individual, someone, somebody, mortal, human, soul
    --2 has particulars:
     abrogator; allocator, distributor; approver; authority figure; authorizer, authoriser; mandator; pasha, pacha; civil authority; upbraider, reprover, reproacher, rebuker; withdrawer
  3. authority - an expert whose views are taken as definitive; "he is an authority on corporate law"
    --3 is a kind of
    --3 has particulars:
     adviser, advisor, consultant; connoisseur, cognoscenti; evaluator, judge; high priest; liturgist; master, professional
  4. assurance, self-assurance, confidence, self-confidence, authority, sureness - 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"
    --4 is a kind of certainty
  5. agency, federal agency, government agency, bureau, office, authority - an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority"
    --5 is a kind of administrative unit, administrative body
    --5 has particulars:
     Air Force Research Laboratory, AFRL; Army High Performance Computing Research Center, AHPCRC; Naval Research Laboratory, NRL; United States Army Criminal Investigation Laboratory, U.S. Army Criminal Investigation Laboratory, US Army Criminal Investigation Laboratory, USACIL; executive agency; Food and Drug Administration, FDA; Center for Disease Control and Prevention, CDC; Counterterrorist Center, CTC; Nonproliferation Center, NPC; Bureau of the Census, Census Bureau; National Oceanic and Atmospheric Administration, NOAA; National Climatic Data Center, NCDC; National Weather Service; Technology Administration; National Institute of Standards and Technology, NIST; National Technical Information Service, NTIS; Defense Advanced Research Projects Agency, DARPA; Department of Defense Laboratory System, LABLINK; Department of Energy Intelligence, DOEI; United States Public Health Service, PHS; National Institutes of Health, NIH; Bureau of Justice Assistance, BJA; Bureau of Justice Statistics, BJS; Immigration and Naturalization Service, INS; United States Border Patrol, US Border Patrol; Bureau of Diplomatic Security, DS; Foreign Service; Bureau of Intelligence and Research, INR; United States Fish and Wildlife Service, US Fish and Wildlife Service, FWS; National Park Service; Financial Management Service; Office of Intelligence Support, OIS; Comptroller of the Currency; Bureau of Customs, Customs Bureau, Customs Service, USCB; Bureau of Engraving and Printing; Internal Revenue Service, IRS; Federal Aviation Agency, FAA; Transportation Safety Administration, TSA; Government Accounting Office, GAO, United States Government Accounting Office; United States Coast Guard, U. S. Coast Guard, US Coast Guard; Naval Air Warfare Center Weapons Division, NAWCWPNS; Naval Special Warfare, NSW; Naval Surface Warfare Center, NSWC; Naval Underwater Warfare Center, NUWC; Office of Naval Intelligence, ONI; Marine Corps Intelligence Activity, MCIA; Air Force Intelligence Surveillance and Reconnaissance, Air Force ISR, AFISR; independent agency; Advanced Research and Development Activity, ARDA; Defense Logistics Agency; Defense Reutilization and Marketing Service, DRMS; Defense Technical Information Center, DTIC; law enforcement agency; Occupational Safety and Health Administration, OSHA; organ; Patent and Trademark Office Database, Patent Office; United States Government Printing Office, US Government Printing Office, Government Printing Office, GPO; National Guard Bureau, NGB; Army Intelligence, AI; Ballistic Missile Defense Organization, BMDO; Defense Information Systems Agency, DISA; National Imagery and Mapping Agency, NIMA; Casualty Care Research Center, CCRC; Federal Housing Administration, FHA; local authority
  6. authority, authorization, authorisation, sanction - official permission or approval; "authority for the program was renewed several times"
    --6 is a kind of permission
  7. authority - an authoritative written work; "this book is the final authority on the life of Milton"
    --7 is a kind of
    --7 has particulars: last word
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