confederate >> /kənˈfɛd(ə)rət/
Definition: [transitive verb] Bring (states or groups of people) into an alliance.
Example: the treaty confederated the fourteen tribes
Definition: [noun] A person one works with, especially in something secret or illegal; an accomplice.
Example: where was his confederate, the girl who had stolen Richard's wallet?
Definition: [noun] A supporter of the Confederate States of America.
Example: He is, for example, an ardent apologist for Robert E. Lee, regarding him and other Confederates as American heroes.
Definition: [adjective] Joined by an agreement or treaty.
Example: some local groups united to form confederate councils