Source : Webster's Revised Unabridged Dictionary (1913)

Gladly \Glad"ly\, adv. [From {Glad}, a.]
   1. Preferably; by choice. [Obs.] --Chaucer.

   2. With pleasure; joyfully; cheerfully; eagerly.

            The common people heard him gladly.   --Mark xii.
                                                  37.

Source : WordNet®

gladly
     adv : in a willing manner; "this was gladly agreed to"; "I would
           fain do it" [syn: {lief}, {fain}]