he spoke with authority on the subject.
he was an authority on the stock market.
the moral authority of the party was decaying.
an authority on English furniture and decoration.
the authorities concerned
a rebellion against those in authority .
the authority of an effete aristocracy began to dwindle.
exercising authority by force of arms.
the authorities took no immediate action.
the limitation of local authorities' powers.
the Authority are urging people not to overreact to the problem.
the British authorities are very thorough.
biblical authorities for a moral argument.
a self-styled authority on history
plenary power [authority]
authority to spend from debt receipts
A judge is clothed with the authority of the state.
It is reported on reliable authority that ...reliable
The authority of governance resided in the monarchy.