Here's what rhymes with isolationist.

Consider these alternatives

isolationism / given xenophobic / logic nationalistic / characteristic militaristic / characteristic reactionary / very totalitarian / librarian confrontational / educational demagogue / stock leanings / meanings imperialist / materialist authoritarian / agrarian ideologues / nonideologues imperialistic / characteristic moralistic / characteristic espousing / housing espouse / allows expansionary / very populism / given doctrinaire / their bellicose / close atheistic / characteristic dictatorial / editorial ideology / quality interventionism / given