Definify.com
Webster 1913 Edition
Scientist
Sci′en-tist
,Noun.
One learned in science; a scientific investigator; one devoted to scientific study; a savant.
[Recent]
☞ Twenty years ago I ventured to propose one [a name for the class of men who give their lives to scientific study] which has been slowly finding its way to general adoption; and the word scientist, though scarcely euphonious, has gradually assumed its place in our vocabulary.
B. A. Gould (Address, 1869).