Crossword Clue:

CETOLOGIST one versed in cetology

AnswerCrossword Clue
POETOne who's well-versed in the arts?
POETOne who's well versed
UPONVersed in
UPONWell-versed in
FLUENTWell-versed (in)
NEWATNot versed in
UPONWell versed in