Synonyms and related words :
animated, antic, arch, blithe, buoyant, capering, capersome, cavorting, coltish, devilish, elfish, elvish, exuberant, foolish, frisky, frolicsome, full of beans, full of mischief, gamesome, gay, gleeful, hearty, high-spirited, impish, kittenish, knavish, larkish, light-hearted, lively, merry, mischief-loving, mischievous, playful, prankish, pranksome, pranky, puckish, roguish, rollicking, rollicksome, rompish, scampish, scapegrace, skittish, spirited, sportful, sprightly, trickish, tricksy, tricky, vital, vivacious, waggish, zestful, zippy