Definition of Brilliantly

Adverb: brilliantly  bril-yunt-lee [N. Amer], bri-lee-unt-lee [Brit]

1. With brightness
   "the stars shone brilliantly";
   - brightly, bright
    
2. In an extremely intelligent way
   "he solved the problem brilliantly"

See also:
brilliantines
brilliants