utopianism - Wiktionary, the free dictionary

• Utopianism

From utopian +‎ -ism.

utopianism (countable and uncountable, plural utopianisms)

1. The belief in a system for an ideal society, usually regarded as unrealistic.

   • 2007 March 11, Pete Hamill, “Raging Thirst”, in New York Times‎^[1]:

     In this solid account of the calamitous effect of dry utopianism on New York City, Lerner explains how the Prohibition amendment was passed and why its execution failed.

• cyberutopianism

• “utopianism”, in OneLook Dictionary Search.
• utopianism, Utopianism at the Google Books Ngram Viewer.