cognoscente, scholar

GURU
WordClue
ACEguru, authority
ADEPTguru, expert
FIENDscholar
EXPERTguru, cognoscente
MASTERguru, virtuoso
SCHOLARguru, proficient
AUTHORITYguru, adept
PROFICIENTguru, master
CONNOISSEURsubject-matter expert
BADGEcognizance
LEONARDCohen, singer