Origin: Greek suffix -ism
Academicism has 2 different meanings across 1 category:
orthodoxy of a scholastic variety
The doctrines of Plato's academy; specifically the skeptical doctrines of the later academy stating that nothing can be known; a tenet of the Academic philosophy; state of being Academic.
This word comes from combining "academic" with the suffix "-ism." It originally referred to the principles or practices associated with being academic.