noun.
A person of learning; one who is versed in literature or science.
noun.
A person eminent for acquirements.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
someone who has been admitted to membership in a scholarly field
Word Usage
"All the whole human drift, from the first ape-man to the last savant, is but a phantom, a flash of light and a flutter of movement across the infinite face of the starry night."