Synonyms and related words :
animated, antic, capersome, coltish, exuberant, frisky, frolicsome, full of beans, gay, hearty, larkish, lively, mischievous, playful, prankish, pranky, rollicking, rollicksome, rompish, skittish, spirited, sportful, sportive, sprightly, vital, vivacious, waggish, wicked, zestful, zippy