sportive (adj.)

• animated
• antic
• arch
• blithe
• buoyant
• coltish
• devilish
• elfish
• elvish
• exuberant
• foolish
• frisky
• frolicsome
• gay
• gleeful
• hearty
• high-spirited
• impish
• kittenish
• knavish
• light-hearted
• lively
• merry
• mischievous
• playful
• prankish
• puckish
• roguish
• rollicking
• skittish
• spirited
• sprightly
• tricksy
• tricky
• vital
• vivacious
• waggish
• zestful
• zippy