Federate & Federation

Fed`erate, a. [L. fúderatus.] Leagued; united by compact, as sovereigns, states or nations; joined in confederacy; as federate nations or powers.
American Dictionary of the English Language, Noah Webster 1828, Vol. I, 81.

Federa`tion, n. The act of uniting a league.
American Dictionary of the English Language, Noah Webster 1828, Vol. I, 81.

Federation. Ordinarily, an unincorporated association of persons for a common purpose. Hughes v. State, 109 Ark. 403, 160 S.W. 209.
Blackís Law Dictionary 4th Edition (1951), page 740.

Federate. united by common agreement under a central government.
Websterís New World Dictionary, 3rd College Ed. (1988), page 496.

Federation. 1 the act of uniting or forming of states, groups, etc. by agreement of each member to subordinate its power to that of a central authority in common affairs. 2 an organization formed by such act; league; specif., a federal union of states, nations, etc., federations usually exercise control over foreign relations.
Websterís New World Dictionary, 3rd College Ed. (1988), page 496.