Source : Webster's Revised Unabridged Dictionary (1913)

Appreciative \Ap*pre"ci*a*tive\, a.
   Having or showing a just or ready appreciation or perception;
   as, an appreciative audience. -- {Ap*pre"ci*a*tive*ly}, adv.

Source : WordNet®

appreciatively
     adv : with appreciation; in a grateful manner; "he accepted my
           offer appreciatively" [syn: {gratefully}] [ant: {ungratefully},
            {ungratefully}]