Answer:

savant

Answer	Crossword Clue
SAVANT	Brainiac
SAVANT	Well-educated one
SAVANT	Learned scholar

SAVANT	Scholar
SAVANT	Learned person
SAVANT	Wise guy
SAVANT	Learned one
SAVANT	Erudite person
SAVANT	Erudite one
SAVANT	Wise one
SAVANT	Sage

SAVANT	Wise person
SAVANT	Man of learning.
SAVANT	Learned one.
SAVANT	Wise man.
SAVANT	Learned man.
SAVANT	Sage.
SAVANT	Scholar.
SAVANT	Pundit.

SAVANT	Very wise one.
SAVANT	A brain.
SAVANT	Pundit
SAVANT	Wise man
SAVANT	Egghead
SAVANT	Philosopher, e.g., took a seat around front (6)
SAVANT	Idiot ...
SAVANT	Virtuoso

SAVANT	Person of learning
SAVANT	Great scholar
SAVANT	Super scholar
SAVANT	Scholarly type
SAVANT	Idiot follower?
SAVANT	Learned fellow
SAVANT	Eminent scholar