From WordNet (r) 3.0 (2006):
guile
n 1: shrewdness as demonstrated by being skilled in deception
[syn: craft, craftiness, cunning, foxiness,
guile, slyness, wiliness]
2: the quality of being crafty [syn: craftiness,
deceitfulness, guile]
3: the use of tricks to deceive someone (usually to extract
money from them) [syn: trickery, chicanery, chicane,
guile, wile, shenanigan]