Cunning

a.
  1. Knowing; skillful; dexterous.
  2. Wrought with, or exhibiting, skill or ingenuity; ingenious; curious; as, cunning work.
  3. Crafty; sly; artful; designing; deceitful.
  4. Pretty or pleasing; as, a cunning little boy.

n.
  1. Knowledge; art; skill; dexterity.
  2. The faculty or act of using stratagem to accomplish a purpose; fraudulent skill or dexterity; deceit; craft.