Gelogenic adj. Inducing, producing, or provoking laughter.
If you don't feel "Gelogenic" today choose one-to-three of the following instead:
Amiable, Ameliorative, Amused, Amusing, Ascendant, Auspicious, Beatific, Blissful, Blythe, Blithesome, Boisterous, Bonzer, Brilliant, Buoyant, Carefree, Celebratory, Cheerful, Cheery, Childlike, Chuffed, Chipper, Cock-a-hoop, Cohortative, Coltish, Confelicitous, Content, Contented, Couthie, Crackerjack, Dapatical, Delightful, Delighted, Diverted, Droll, Easygoing, Effulgent, Elated, Enjoyable, Eudaemonistic, Euphoric, Excelsior, Exhilarated, Exuberant, Fain, Fantastic, Festal, Festive, Frabjous, Free, Frolicsome, Fulgent, Fun, Gelastic, Glad, Gleeful, Good, Good-humoured, Good-natured, Grateful, Gratified, Happy, Happy-go-lucky, Harmonic/Harmonious, Heartsome, Humorous, Hunky-dory, In a good mood, In good spirits, Insouciant, Jiggish, Jocose, Jocoserious, Jocular, Jolif, Jolly, Jovial, Joyful, Joyous, Jubilant, Lepid, Liefly, Light, Light-hearted, Lively, Ludibund, Ludic, Lusory, Mabsoot, Merry, Mirthful, Optimistic, Overjoyed, Panglossian, Peppy, Perky, Playful, Pleasant, Pleased, Positive, Profulgent, Radiant, Rejuvenated, Rejuvenescent, Relaxed, Reviviscent, Rhapsodic, Risible, Rollicking, Sanguine, Satisfied, Shining, Slamin', Sportive, Sprightly, Sunny, Supercalifragilisticexpialidocious, Thrilled, Thrilling, Tickled, Twitterpated, Uber, Upbeat, Upbuilding, Uplifted, Uplifting, Vegete, Vibrant, Vitative, Vivacious, Waggish, Weleful, Welsome, Whimsical, Wonderful, Zoetic