Strong's G2715 — κατεξουσιάζω (verb)
katexousiazo (kat-ex-ou-see-ad'-zo) v.
1. to have (wield) full privilege over
[from G2596 and G1850]
KJV: exercise authority 
Root(s): G2596, G1850 
Hebrew root: ἐξουσιάζω
Occurrences: 2