Synonyms and related words :
arch, devilish, elfin, elflike, elvish, faery, fairy, fairyish, fairylike, fay, foolish, full of mischief, gnomelike, gnomish, high-spirited, impish, knavish, mischief-loving, mischievous, pixieish, playful, prankish, pranksome, pranky, puckish, roguish, scampish, scapegrace, sportive, sylphidine, sylphine, sylphish, sylphlike, sylphy, trickish, tricksy, waggish