Answer: sharpasatack

AnswerCrossword Clue
SHARPASATACK

See 61A

SHARPASATACK

Really brainy

SHARPASATACK

Quick-thinking

SHARPASATACK
Brainy
SHARPASATACK
Really stylish
SHARPASATACKVery bright
SHARPASATACKExtremely intelligent
SHARPASATACKQuick-thinking and then some