use Authority in a sentence
1. [noun] the power or right to give orders or make decisions;
In July of 1536, the authority of the Pope was declared void in England by an act of Parliament.
The President asserted his authority by vetoing the legislation.
[noun] expert source of info; belief in yourself and your abilities;
The doctor is a well-known authority on tropical diseases.
He is a well-known authority on the language used by bees to communicate the location of food.
[noun] the organization that is the governing authority of a political unit;
Authorities insist that warnings of possible terrorist bombings targeting aid workers in the region are based on credible information.
You must register your business with the appropriate federal or provincial tax authorities.