1849  exousia  ex-oo-see'-ah

 from 1832 (in the sense of 
ability); privilege, i.e. 
(subjectively) force, 
capacity, competency, 
freedom, or (objectively) 
mastery (concretely, 
magistrate, superhuman, 
potentate, token of control), 
delegated influence:--
authority, jurisdiction, 
liberty, power, right, 
strength.

 see GREEK for 1832