authority

/ɔ:'θɔriti/
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authority

This book is the final authority on the life of Milton.

Definition

Noun: 1. The power or right to give orders, make decisions, and enforce obedience: This refers to the legitimate or official capacity to control, command, or direct others. 2. A person or organization having political or administrative power and control: Often used in the plural ("authorities") to refer to government bodies or officials. 3. An expert in a particular subject; a source of reliable information or knowledge: A person or text whose opinion or work is accepted as definitive and trustworthy. 4. Confident and commanding quality that inspires belief or obedience: The self-assured manner of someone who knows what they are doing or talking about. 5. Official permission or sanction: The right or approval granted by a person or body in power.

Examples of Usage
  • Power/Right:
    • Only the manager has the authority to approve these expenses.
    • The court granted him authority over his children's estate.
  • Governing Body/Person:
    • The local authorities are responsible for maintaining the roads.
    • He was reported to the authorities for breaking the law.
  • Expert/Source:
    • She is a leading authority on medieval history.
    • This textbook is the standard authority on the subject.
  • Confident Manner:
    • She spoke with such authority that everyone listened.
    • He lacks the authority to be an effective leader.
  • Official Permission:
    • We cannot proceed without the authority of the board.
    • He acted under the authority of a search warrant.
Advanced Usage
  • "To have it on good authority": To have information from a reliable source.
    • I have it on good authority that the announcement will be made tomorrow.
  • "To be in authority": To hold a position of power.
    • The people in authority must be held accountable.
  • "To exercise authority": To use one's power or right to command.
    • He exercises his authority fairly and wisely.
Variants and Related Words
  • Authoritative (adj): Having the confident quality of an expert; commanding and self-assured. Also used to describe a text that is considered definitive.
    • an authoritative tone of voice; an authoritative study
  • Authorize (verb): To give official permission for or approval to.
    • I am not authorized to discuss that.
  • Authorization (noun): The official permission or power to do something.
    • You will need written authorization.
Synonyms
  • Power, jurisdiction, command (for meaning 1).
  • Government, administration, officials (for meaning 2).
  • Expert, specialist, master (for meaning 3).
  • Assurance, confidence, command (for meaning 4).
  • Permission, sanction, consent (for meaning 5).
Related Phrases (Phrasal Verbs)
  • To vest authority in someone: To confer or bestow power upon someone.
    • The constitution vests authority in the elected representatives.
Related Idioms
  • "An authority figure": A person who represents or wields power, such as a parent, teacher, or police officer.
    • As a teacher, you are an authority figure to your students.
  • "To speak with authority": To speak in a way that shows expert knowledge or confidence, so that people believe you.
    • On this topic, she can speak with authority.
authority

This book is the final authority on the life of Milton.

Noun
  1. an authoritative written work
    • this book is the final authority on the life of Milton
  2. official permission or approval
    • authority for the program was renewed several times
  3. an administrative unit of government
    • the Central Intelligence Agency
    • the Census Bureau
    • Office of Management and Budget
    • Tennessee Valley Authority
  4. 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
  5. an expert whose views are taken as definitive
    • he is an authority on corporate law
  6. (usually plural) persons who exercise (administrative) control over others
    • the authorities have issued a curfew
  7. the 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