Of or pertaining to united action; done in conjunction; joint; = conjunct, adj. 3.

Pertaining or relating to a confederation; spec. in U.S. History pertaining to the early organization of the United States under the Articles of…

Of or relating to confederates or confederating.

Of, characterized by, or involving reunion; that reunites.

Also with capital initial. In extended use: designating an association of quasi-autonomous units.

Of or pertaining to a consortium, association, or union.

Inclined to form federations. Obsolete.