Source : Webster's Revised Unabridged Dictionary (1913)

Actively \Ac"tive*ly\, adv.
   1. In an active manner; nimbly; briskly; energetically; also,
      by one's own action; voluntarily, not passively.

   2. (Gram.) In an active signification; as, a word used
      actively.

Source : WordNet®

actively
     adv : in an active manner; "he participated actively in the war"
           [ant: {passively}]