/ Thesaurus / F Synonyms of federalise Find synonyms for: Verb1. federalize, federalise, decentralize, deconcentrate, decentraliseusage: put under the control and authority of a federal government2. federate, federalize, federalise, unify, unite, mergeusage: enter into a league for a common purpose; "The republics federated to become the Soviet Union"3. federate, federalize, federalise, unite, unifyusage: unite on a federal basis or band together as a league; "The country was federated after the civil war"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language