Answer:

HONE

Answer	Crossword Clue
HONE	Perfect
HONE	Use a whetstone
HONE	Fine-tune

HONE	Make perfect
HONE	Perfect, as a skill
HONE	Put an edge on
HONE	Sharpen
HONE	Whet
HONE	Improve with effort
HONE	Get to the point?
HONE	Take a strop to

HONE	Try to perfect
HONE	Use a strop on
HONE	Knife sharpener
HONE	Give an edge to
HONE	Improve
HONE	Refine
HONE	Improve in small increments
HONE	Improve, as skills

HONE	Make sharper
HONE	Strop
HONE	Work on
HONE	Use a whetstone on
HONE	Touch up
HONE	Put to the grindstone
HONE	Make more effective
HONE	Work on the edge

HONE	Ready, as a machete
HONE	Work on, as one's skills
HONE	Make keener
HONE	Perfect, as one's skills
HONE	Improve, as one's skills
HONE	Sharpen, as one's skills
HONE	Improve, as skill
HONE	Make more acute, as one's senses

HONE	Take the strop to
HONE	Improve, as a skill
HONE	Use a strop
HONE	Give an edge to?
HONE	Whetstone