WordWeb Online

1. Relating to play or playfulness
    
2. [formal] Full of fun and high spirits
   - playful

See also: arch, coltish, devilish, elfin, elfish, elvish, frisky, frolicky, frolicsome, fun, impish, implike, kittenish, mischievous, mocking, pixilated, pixillated, playfulness, prankish, puckish, quizzical, rascally, roguish, rollicking, scampish [rare], sportive, teasing, wicked [informal]

Encyclopedia: Ludic