Source : Webster's Revised Unabridged Dictionary (1913)

Ingenuously \In*gen"u*ous*ly\, adv.
   In an ingenuous manner; openly; fairly; candidly; artlessly.

         Being required to explain himself, he ingenuously
         confessed.                               --Ludlow.

Source : WordNet®

ingenuously
     adv : in an ingenuous manner; "she answered the judge's questions
           artlessly" [syn: {artlessly}]