verb. ['ˈfɛdɝəˌlaɪz, ˈfɛdrəˌlaɪz'] unite on a federal basis or band together as a league.
verb. ['ˈfɛdɝəˌlaɪz, ˈfɛdrəˌlaɪz'] enter into a league for a common purpose.
verb. ['ˈfɛdɝəˌlaɪz, ˈfɛdrəˌlaɪz'] put under the control and authority of a federal government.