Devotion to or adherence to classical principles, especially in art, literature, and architecture; the practice or advocacy of classicism.
From 'classical' + '-ism' (a system of beliefs or practices). The suffix '-ism' transforms an adjective into a noun describing an ideology or movement.
Classicalism feels almost redundant because we already have 'classicism,' but the existence of both words shows how English loves flexibility—sometimes academic writers preferred the '-alism' ending to emphasize it as a philosophy more than just a style.
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