sleight

noun3

1. •
   Dexterous practice; dexterity; skill.
2. •
   Cunning; craft; artful practice.
3. •
   An artful trick; sly artifice; a feat so dexterous that the manner of performance escapes observation.

   • If men have so many sleights to compass their matters, how can the compasser himself hold his fingers? — 1866