|1.||[ verb ] put under the control and authority of a federal government|
|Related terms:||decentralize federalization federalization|
|2.||[ verb ] enter into a league for a common purpose|
"The republics federated to become the Soviet Union"
|3.||[ verb ] unite on a federal basis or band together as a league|
"The country was federated after the civil war"
|Related terms:||unite federation|