Source : Webster's Revised Unabridged Dictionary (1913)

Pellucidly \Pel*lu"cid*ly\, adv.
   In a pellucid manner.

Source : WordNet®

pellucidly
     adv : in a clear and lucid manner; "this is a lucidly written
           book" [syn: {lucidly}, {limpidly}, {perspicuously}]