Slyness

noun

1. The quality of being sly, or conduct that is sly, in any sense; craftiness; arch or artful wiliness; cunning, especially satirical or playful cunning; archness; the use of wiles or stratagems, or the quality inclining one to use them.
2. The quality or state of being sly.
3. The state or quality of being being sly.
4. The result or product of being sly.
5. shrewdness as demonstrated by being skilled in deception