Added 10 October 2026 federalize /ˈfɛdəɹəlaɪz/ verb Categories: ActionsObscure Words verb ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about federalize at Wordnik → Where our words come from → Unite on a federal basis or band together as a league. The country was federated after the civil war Put under the control and authority of a federal government. Enter into a league for a common purpose. The republics federated to become the Soviet Union Related Words: federaterefederalizeunitarizeunifyrefederateorganizeunionizegovernmentalizenationalizeidentifyinteruniteconstitutionalize Back to today's word