Source : Webster's Revised Unabridged Dictionary (1913)

Daring \Dar"ing\, a.
   Bold; fearless; adventurous; as, daring spirits. --
   {Dar"ing*ly}, adv. -- {Dar"ing*ness}, n.

Source : WordNet®

daringly
     adv 1: in an original manner; "daringly he took the first step"
     2: in an adventurous manner; "daringly, he set out on a camping
        trip in East Africa"