federation

/ˌfɛdəˈreɪʃən/
noun
  1. A group of states, organizations, or groups that have joined together to form a larger unit while keeping some control over their own affairs.
    • The new federation of trade unions will negotiate better wages for workers.
    • The United States is a federation of 50 states.
    • Several small nations formed a federation to improve their economic strength.
  2. An organization or club made up of smaller groups that have joined together.
    • Our school joined the national federation of science clubs.
    • The local soccer federation organizes tournaments for youth teams.
    • She is a member of the International Federation of Journalists.
  3. The act of forming such a union or alliance.
    • The federation of the colonies took many years of negotiation.
    • The treaty led to the peaceful federation of the neighboring regions.
    • They celebrated the federation of their two organizations with a joint meeting.
Antonyms
What does "federation" mean? | whatsthatwordmean | whatsthatwordmean