1. 
[syn: crafty, cunning, dodgy, foxy, guileful, knavish, slick, sly, tricksy, tricky, wily]
The Collaborative International Dictionary of English v.0.48:
Crafty \Craft"y\ (kr?ft"?), a. [AS. cr[ae]ftig.]
   1. Relating to, or characterized by, craft or skill;
      dexterous. [Obs.] "Crafty work." --Piers Plowman.
      [1913 Webster]
   2. Possessing dexterity; skilled; skillful.
      [1913 Webster]
            A noble crafty man of trees.          --Wyclif.
      [1913 Webster]
   3. Skillful at deceiving others; characterized by craft;
      cunning; wily. "A pair of crafty knaves." --Shak.
      [1913 Webster]
            With anxious care and crafty wiles.   --J. Baillie.
   Syn: Skillful; dexterous; cunning; artful; wily; sly;
        fraudulent; deceitful; subtle; shrewd. See Cunning.
        [1913 Webster]
WordNet (r) 3.0 (2006):
crafty
    adj 1: marked by skill in deception; "cunning men often pass for
           wise"; "deep political machinations"; "a foxy scheme"; "a
           slick evasive answer"; "sly as a fox"; "tricky Dick"; "a
           wily old attorney" [syn: crafty, cunning, dodgy,
           foxy, guileful, knavish, slick, sly, tricksy,
           tricky, wily]
Moby Thesaurus II by Grady Ward, 1.0:
94 Moby Thesaurus words for "crafty":
   Byzantine, Machiavellian, Machiavellic, acute, adroit,
   ambidextrous, arch, artful, astute, cagey, calculating, canny,
   chiseling, clever, collusive, covinous, crooked, cunning, cute,
   deceitful, deep, deep-laid, designing, devious, diplomatic,
   dishonest, disingenuous, double, double-dealing, double-faced,
   double-minded, double-tongued, doublehearted, duplicitous,
   faithless, false, false-principled, falsehearted, fawning, feline,
   finagling, forsworn, foxy, fraudulent, furtive, guileful, indirect,
   ingenious, insidious, insincere, inventive, keen, knowing, pawky,
   perfidious, perjured, plotting, politic, ready, resourceful,
   scheming, serpentine, sharp, shifty, shrewd, slick, slippery, sly,
   smooth, snaky, sneaky, sophistical, stealthy, strategic, subtile,
   subtle, supple, surreptitious, tactical, tidy, treacherous,
   trickish, tricksy, tricky, two-faced, uncandid, underhand,
   underhanded, unfrank, unsincere, untruthful, vulpine, wary, wily