1. unite on a federal basis or band together as a league (Freq. 1) - The country was federated after the civil war • Syn: federate, federalise • Derivationally related forms: federation (for: federate) • Hypernyms: unite, unify • Verb Frames: - Somebody ----s something 2. put under the control and authority of a federal government • Syn: federalise • Derivationally related forms: federalisation (for: federalise), federalization • Hypernyms: decentralize, deconcentrate, decentralise • Verb Frames: - Somebody ----s something 3. enter into a league for a common purpose - The republics federated to become the Soviet Union • Syn: federate, federalise • Hypernyms: unify, unite, merge • Verb Frames: - Something ----s