SUPREMACY

domination, mastery, supremacy

(noun) power to dominate or defeat; “mastery of the seas”

Source: WordNet® 3.1

Etymology

Noun

supremacy (usually uncountable, plural supremacies)

The quality of being supreme.

Power over all others.

(in combination) The ideology that a specified group is superior to others or should have supreme power over them.

Source: Wiktionary

Su*prem"a*cy, n. Etym: [Cf. F. suprématie. See Supreme.]

Definition: The state of being supreme, or in the highest station of power; highest or supreme authority or power; as, the supremacy of a king or a parliament. The usurped power of the pope being destroyed, the crown was restored to its supremacy over spiritual men and causes. Blackstone. Oath supremacy, an oath which acknowledges the supremacy of the sovereign in spiritual affairs, and renounced or abjures the supremacy of the pope in ecclesiastical or temporal affairs. [Eng.] Brande & C.

Source: Webster’s Unabridged Dictionary 1913 Edition