n.
1.the power or right to give orders or make decisions
2.(usually plural) persons who exercise (administrative) control over others
3.an expert whose views are taken as definitive
4.freedom from doubt
5.an administrative unit of government
6.official permission or approval
7.an authoritative written work
Idiom of the Day
have them rolling in the aisles
to make an audience laugh a lot
The speaker had them rolling in the aisles when he gave his speech.