utopismn.
/juːˈtəʊpɪz(ə)m/, /jᵿˈtəʊpɪz(ə)m/, U.S. /juˈtoʊˌpɪz(ə)m/ = utopianism n.
ΘΚΠ
the mind > mental capacity > expectation > hope > doctrine of human perfectibility > [noun] > belief in a perfect society
utopianism1649
utopism1849
1849 Eng. Jrnl. Educ. Jan. 10 (note) Having occasion to defend his system against the charge of Utopism, he proceeds to define the term.
1863 New Monthly Mag. Oct. 252 ‘The ideal’ is always, even in romances, a utopism.
1888 Cycl. Polit. Sci. & U.S. Hist. III. 258/2 It is utopism to believe that the state will have more unity, more harmony,..because [etc.].
1901 Field 19 Oct. 606/2 What remains of impracticable Utopism that may cling to this new project.
2011 R. Schmidt Forms of Modernity vi. 208 For Ortega, neither traditional liberalism, limited by its strongly individualistic streak, nor socialism, marked by its dogmatic utopism, was sufficient any longer.
This entry has been updated (OED Third Edition, December 2013; most recently modified version published online December 2021).
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n.1849