plural of authorism

person who writes books, plays, poems, etc.

official permission to do something

to officially allow someone to do something

Any authority which has a legal mandate to govern, administrate a part or aspect of public life, such as all branches of the executive power of a state, province, municipality etc.

plural of appeal to authority

A public authority which operates a port or other transportation infrastructure.

(rhetoric) Deeming an assertion to be true because of the position or the authority of the person asserting it.

Someone who is in a position of authority.

(library science) The organization of bibliographic information by using a single distinct spelling of a name (heading) or a numeric identifier for each topic or agent.