erudite
AIR-yuh-diteadjMeaning having or showing great knowledge from reading and study
Memory hook “READ IT!”: he has read them all. Ask Professor Edwin about any book in the library and he smiles: “Read it!” He has read them all; he is erudite.
The erudite librarian could answer questions about almost any book on the shelves.
In context Though he never went to college, Grandpa Gus was erudite; he had read every history book in the town library and could talk about ancient Rome for hours.
Similar learned, scholarly, knowledgeable, well-read
Opposite ignorant, uneducated, unlettered
From Latin eruditus, “instructed,” from erudire, “to polish, to teach”: e (out) + rudis (rough, untaught). Study takes the roughness out.