the power that someone has because of their position
The policeman has authority on the streets.
The local government has the authority to enact and enforce zoning regulations to control land use in the city.
The police officer acted with authority when directing traffic during the accident, ensuring the safety of both drivers and pedestrians.
The school principal has the authority to make decisions related to curriculum changes and disciplinary actions.
The book was written with the authority of someone who had personally experienced the events and could provide an insider's perspective.
The president of the organization holds the highest authority, making final decisions on matters that affect the entire group.