The word roots mean: super- "above", cali- "beauty", fragilistic- "delicate", expiali- "to atone", and -docious "educable"
Hence: "Atoning for educability through delicate beauty."
This could be a poetic way to describe an uneducated, albeit brilliant, artist. Everyone knows, however, that it really means 'Extraordinarily Good, or Wonderful' from a childlike perspective. Like Twitterpated it's a positive word from Disney that has entered the mainstream language.
"Supercalifragilisticexpialidocious" is a whimsical and nonsensical word famously featured in the song of the same name from the 1964 Disney musical film "Mary Poppins."
The word is meant to convey something extraordinary, extraordinary, or even indescribable. It's used in the film as a playful expression of joy and amazement. Its inclusion in popular culture has made it recognizable as a symbol of exuberance and wonder.
Beyond its entertainment value, "supercalifragilisticexpialidocious" has become a part of colloquial language, sometimes used humorously to describe something exceptionally fantastic or complicated.
If you don't feel "Supercalifragilisticexpialidocious" 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, Gelogenic, 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, Thrilled, Thrilling, Tickled, Twitterpated, Uber, Upbeat, Upbuilding, Uplifted, Uplifting, Vegete, Vibrant, Vitative, Vivacious, Waggish, Weleful, Welsome, Whimsical, Wonderful, Zoetic
Positive Nouns that Describe People