Here's what rhymes with utopianism.

Consider these alternatives

eclecticism / position subjectivism / given solipsism / given traditionalism / given libertinism / given idealism / realism realism / idealism naivete / day collectivism / given experimentalism / given internationalism / given naturalism / given libertarianism / given fanaticism / position cosmopolitanism / given sentimentalism / given historicism / given centrism / ethnocentrism transcendentalism / given progressivism / given didacticism / position gradualism / given