guile

(noun) shrewdness as demonstrated by being skilled in deception. Synonyms: craft, craftiness, cunning, foxiness, slyness, wiliness.

(noun) the quality of being crafty. Synonyms: craftiness, deceitfulness.

(noun) the use of tricks to deceive someone (usually to extract money from them). Synonyms: trickery, chicanery, chicane, wile, shenanigan.