11.   It means to believe that one has legitimate authority, or that that person has authority over one.

12.   No army corps commander can ever be sure he has enough authority over his units to contemplate a coup.

13.   Only the president has the authority to declare war.

14.   President Nelson Mandela reportedly has ultimate authority over the remaining operational and research details of the program.

15.   Teachers should have the authority to discipline their students.

16.   The King had the authority to raise taxes without the permission of parliament.

17.   The man reassuring him is, or has the authority of, the omniscient and omnipotent Novelist.

18.   The manager has full authority to make Decisions.