dominion

noun

• 1 [mass noun] sovereignty or control:man’s attempt to establish dominion over nature
• another term for dominium.

• 2 (usually dominions) the territory of a sovereign or government:the Angevin dominions
• (Dominion) historical each of the self-governing territories of the British Commonwealth: Great Britain, together with her Dominions and Colonies

• 3 (dominions)another term for domination (sense 2).