| 1. | the power to determine, adjudicate, or otherwise settle issues or disputes; jurisdiction; the right to control, command, or determine. |
| 2. | a power or right delegated or given; authorization: Who has the authority to grant permission? |
| 3. | a person or body of persons in whom authority is vested, as a governmental agency. |
| 4. | Usually, authorities. persons having the legal power to make and enforce the law; government: They finally persuaded the authorities that they were not involved in espionage. |
| 5. | an accepted source of information, advice, etc. |
| 6. | a quotation or citation from such a source. |
| 7. | an expert on a subject: He is an authority on baseball. |
| 8. | persuasive force; conviction: She spoke with authority. |
| 9. | a statute, court rule, or judicial decision that establishes a rule or principle of law; a ruling. |
| 10. | right to respect or acceptance of one's word, command, thought, etc.; commanding influence: the authority of a parent; the authority of a great writer. |
| 11. | mastery in execution or performance, as of a work of art or literature or a piece of music. |
| 12. | a warrant for action; justification. |
| 13. | testimony; witness. |
authority