cunningness

adjective

1. Now Rare skillful or clever
2. skillful in deception; sly; crafty
3. made or done with skill or ingenuity
4. ☆ attractive or pretty in a delicate way; cute

Origin: ME, having skill, knowing < prp. of cunnen, to know: see can

noun

1. Now Rare clever proficiency; skill
2. skill in deception; slyness; craftiness