Act of joining together into a single political entity. / Array of nations or states that are unified under one central authority which is elected by its members.

(Australia) Of an architectural style popular around the time of federation.

plural of federation

Federative; pertaining to, characteristic of, or constituting a federation.

A surname from German, equivalent to English Feather.

Pertaining to a league or treaty; derived from an agreement or covenant between parties, especially between nations.

(US) A law-enforcement official of the FBI / (historical) A unionist soldier in the American Civil War. / A supporter of federation.

A system of national government in which power is divided between a central authority and a number of regions with delimited self-governing authority.

The unification of states to form a federal union. / The assumption of control or authority by a federal government.

simple past tense and past participle of federate