Meaning : Put under the control and authority of a federal government.
Synonyms : federalize
Meaning : Enter into a league for a common purpose.
Example :
The republics federated to become the Soviet Union.
Synonyms : federalize, federate
Meaning : Unite on a federal basis or band together as a league.
Example :
The country was federated after the civil war.
Synonyms : federalize, federate