Synonyms for Savant:

n.

polymath, quick study, artful dodger, mind, intellect, egghead, mensa, brain. wise. connoisseur (noun)
adept.
highbrow (noun)
genius, thinker, scholar.
master (noun)
authority, guru, doctor.
pundit (noun)
professor.
sage (noun)
genius, mandarin, master, wise person, intellectual, scholar, guru, authority, sage, thinker, adept, doctor, philosopher, consultant, expert, professor.
savant (noun)
intellectual, pundit, initiate, sage, philosopher, master, expert, intellect, egghead, learned person, wise person.

Other synonyms:

Other relevant words:
intellect, polymath, mind, egghead, initiate, learned person, pundit, brain, wise, mensa.