Source : Webster's Revised Unabridged Dictionary (1913)

Brightly \Bright"ly\, adv.
   1. Brilliantly; splendidly; with luster; as, brightly shining
      armor.

   2. With lively intelligence; intelligently.

            Looking brightly into the mother's face.
                                                  --Hawthorne.

Source : WordNet®

brightly
     adv : with brightness; "the stars shone brilliantly"; "the windows
           glowed jewel bright" [syn: {brilliantly}, {bright}]