Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun imperium

2 senses of imperium

Sense 1
empire, imperium -- (the domain ruled by an emperor or empress; the region over which imperial dominion is exercised)
       => domain, demesne, land -- (territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land")

Sense 2
imperium -- (supreme authority; absolute dominion)
       => authority, authorization, authorisation, potency, dominance, say-so -- (the power or right to give orders or make decisions; "he has the authority to issue warrants"; "deputies are given authorization to make arrests"; "a place of potency in the state")