- to unite or cause to unite in a federal union
- federal; federated
WordReference Random House Learner's Dictionary of American English © 2026
fed•er•ate /v. ˈfɛdəˌreɪt/USA pronunciation
v., -at•ed, -at•ing.
WordReference Random House Unabridged Dictionary of American English © 2026- Governmentto (cause to) unite or organize in a federation: [no object]The states decided to federate while keeping many of their own rights.[~ + object]a leader who tried to federate the trade unions.
fed•er•ate
(v. fed′ə rāt′;adj. fed′ər it),USA pronunciation v., -at•ed, -at•ing, adj.
v.t., v.i.
adj.
fed′er•a′tor, n.
v.t., v.i.
- Governmentto unite in a federation.
- Governmentto organize on a federal basis.
adj.
- Governmentfederated;
allied.
- Latin foederātus leagued together, allied, equivalent. to foeder- (nominative stem foedus) league + -ātus -ate1
- 1665–75
Collins Concise English Dictionary © HarperCollins Publishers::
federate vb /ˈfɛdəˌreɪt/
'federate' also found in these entries (note: many are not synonyms or translations):