Of or relating to federalists; that favours or promotes federalism.

Advocating, promoting, or directed towards national unity, union, or centralization in government or administration.

gen. Of, relating to, supporting, or advocating a particular political union.

Of, relating to, or advocating (a particular) union; characterized by union or unity.

Of or relating to federalists; characterized by or advocating federalism.

That favours federation.