1. United under a central government
   - federate

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]

See also: federation, united

Type of: merge, unify, unite

Encyclopedia: Federate

• touchiness
• touching
• touchingly
• touchline
• touchpaper
• touchscreen
• touchstone
• touchwood
• touchy
• touchy-feely
• touché
• tough
• tough guy
• tough it out
• tough luck
• tough-minded
• tough-skinned
• toughen
• toughened
• toughie
• toughly
• toughness
• Toulon
• Toulouse
• Toulouse-Lautrec