Strong's #1849: exousia (pronounced 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.
Thayer's Greek Lexicon:
̓́
exousia
1) power of choice, liberty of doing as one pleases
1a) leave or permission
2) physical and mental power
2a) the ability or strength with which one is endued, which he either possesses or exercises
3) the power of authority (influence) and of right (privilege)
4) the power of rule or government (the power of him whose will and commands must be submitted to by others and obeyed)
4a) universally
4a1) authority over mankind
4b) specifically
4b1) the power of judicial decisions
4b2) of authority to manage domestic affairs
4c) metonymically
4c1) a thing subject to authority or rule
4c1a) jurisdiction
4c2) one who possesses authority
4c2a) a ruler, a human magistrate
4c2b) the leading and more powerful among created beings superior to man, spiritual potentates
4d) a sign of the husband' s authority over his wife
4d1) the veil with which propriety required a women to cover herself
4e) the sign of regal authority, a crown
Part of Speech: noun feminine
Relation: from G1832 (in the sense of ability)
Citing in TDNT: 2:562, 238
Usage:
This word is used 104 times:
Revelation 17:13: "their power and strength unto the beast."
Revelation 18:1: "heaven, having great power; and the earth was lightened"
Revelation 20:6: "death hath no power, but they shall be priests of God"
Revelation 22:14: "that they may have right to the tree of life,"