What is another word for "savant"?

Roget's Thesaurus (1911) lists these synonyms for "savant": academician, academist, admirable, and, antiquarian, antiquary, archaeologist, bibliomaniac, bibliophile, bigwig, bluestocking, bookworm, clerk, connoisseur, doctor, doctrinaire, don, education, feet, fellow, genius, glossographer, good, gownsman, graduate, grammarian, illuminati, learned, learner, learning, lexicographer, lexicologist, linguist, literary, literati, litterateur, man, manifold, master, math.