The bodies that have political or administrative power and control in a particular sphere / The bodies that enforce law and order or provide a public service

plural of authorization

(chiefly US, sometimes proscribed) To create a work as its author.

The originator or creator of a work, especially of a literary composition. / Someone who writes books for a living. / (obsolete, criminal law) Principal.

present participle of authorize

plural of authoring

(uncountable) Permission. / (countable) An act of authorizing. / (countable) (A document giving) formal sanction, permission or warrant.

The process of creating the content of a document or other content item, i.e., writing or composition. / The result of this process; a writing or composition.

present participle of author

simple past tense and past participle of author