authority

IPA: ʌθˈɔrʌti

(uncountable) Power or right to make or enforce rules or give orders; or a position having such power or right.
(plural) Persons, regarded collectively, who occupy official positions of power; police or law enforcement.
(countable) A reliable, definitive source of information on a subject.
(uncountable) Status as a trustworthy source of information, reputation for mastery or expertise; or claim to such status or reputation.
(uncountable) Official permission; authorisation to act in some capacity on behalf of a ruling entity.
(countable) A government-owned agency that runs a revenue-generating activity for public benefit.

Examples of "authority" in Sentences

The teacher asserted her authority in the classroom by setting clear expectations for behavior
The police officer's authority was evident as he directed traffic at the busy intersection
The company's CEO wielded her authority to make important decisions about the future of the business
The government's authority was questioned by protesters who believed they were not acting in the best interest of the people
As a parent, it is important to establish authority in order to guide and discipline your children effectively