federalise英'fedərəliːz美'fedərəliːz 基本英英近义反义 v.使成联邦⁵⁰使同盟⁵⁰. Verb: put under the control and authority of a federal governmententer into a league for a common purpose;
The republics federated to become the Soviet Union
unite on a federal basis or band together as a league;