Source : Webster's Revised Unabridged Dictionary (1913)

Splendidly \Splen"did*ly\, adv.
   In a splendid manner; magnificently.

Source : WordNet®

splendidly
     adv 1: in a splendid manner; "he did splendidly in the exam"; "we
            got along famously" [syn: {magnificently}, {famously}]
     2: in an impressively beautiful manner; "the Princess was
        gorgeously dressed" [syn: {gorgeously}, {resplendently}, {magnificently}]