Answer:

keenness

Answer	Crossword Clue
KEENNESS	Acuity
KEENNESS	Edge
KEENNESS	State of being very sharp.

KEENNESS	Sharp edge.
KEENNESS	Perspicacity.
KEENNESS	Sharpness.
KEENNESS	Acumen

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.