1. United under a central government
   - federated

1. Enter into a league for a common purpose
   "The republics federated to become the Soviet Union"
   - federalize, federalise [Brit] 
2. Unite on a federal basis or band together as a league
   "The country was federated after the civil war"
   - federalize, federalise [Brit]

Derived forms: federates, federating, federated

See also: federation, united

Type of: merge, unify, unite

Encyclopedia: Federate

• Second Council of Nicaea
• second cousin
• second cranial nerve
• Second Crusade
• second deck
• Second Earl Grey
• Second Earl of Chatham
• Second Earl of Guilford
• Second Empire
• Second Epistel of John
• Second Epistle of Paul the Apostle to the Corinthians
• Second Epistle of Paul the Apostle to the Thessalonians
• Second Epistle of Paul the Apostle to Timothy
• Second Epistle of Peter
• Second Epistle to the Corinthians
• Second Epistle to the Thessalonians
• Second Epistle to Timothy
• second estate
• first-class honors degree
• first-class honours degree
• first-class mail
• first-come-first-serve
• first-degree burn
• first-generation
• first-nighter