Machiavellian, Machiavellic, acute, arch, artful, astute, cagey, canine, canny, clever, crafty, cunning, cute, deceitful, deep-laid, deep, designing, diplomatic, doggy, feline, foxlike, foxy, guileful, ingenious, insidious, inventive, knowing, lupine, pawky, politic, ready, resourceful, scheming, serpentine, sharp, shifty, shrewd, slick, slippery, sly, smooth, snaky, sneaky, sophistical, stealthy, strategic, subtile, subtle, supple, tactical, trickish, tricksy, tricky, wary, wily, wolfish