| v. t. | 1. | To unite in compact, as different States; to confederate for political purposes; to unite by or under the Federal Constitution. |
| Verb | 1. | federalize - unite on a federal basis or band together as a league; "The country was federated after the civil war" Synonyms: federate, federalise |
| 2. | federalize - put under the control and authority of a federal government Synonyms: federalise | |
| 3. | federalize - enter into a league for a common purpose; "The republics federated to become the Soviet Union" Synonyms: federate, federalise |