/ Thesaurus / T Synonyms of territorial dominion Find synonyms for: Noun1. district, territory, territorial dominion, dominion, regionusage: a region marked off for administrative or other purposesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language