encyclopedism

or en·cy·clo·pae·dism

[ en-sahy-kluh-pee-diz-uh m ]
/ ɛnˌsaɪ kləˈpi dɪz əm /

noun

encyclopedic learning.
(often initial capital letter) the doctrines and influence of the Encyclopedists.

Origin of encyclopedism

First recorded in 1825–35; encycloped(ia) + -ism