playful (adj.)

• animated
• antic
• arch
• blithe
• cheerful
• coltish
• dashing
• devilish
• elfish
• elvish
• exuberant
• facetious
• foolish
• frisky
• frolicsome
• gay
• gleeful
• hearty
• high-spirited
• hilarious
• humorous
• impish
• jesting
• jocund
• joking
• jolly
• jovial
• kittenish
• knavish
• lighthearted
• lively
• merry
• mirthful
• mischievous
• pixilated
• prankish
• puckish
• roguish
• rollicking
• skittish
• spirited
• sportive
• sprightly
• teasing
• tricksy
• tricky
• vital
• vivacious
• waggish
• whimsical
• wicked
• zestful
• zippy