Source : Webster's Revised Unabridged Dictionary (1913)

Energic \En*er"gic\, Energical \En*er"gic*al\, a. [Cf. F.
   ['e]nergique.]
   1. In a state of action; acting; operating.

   2. Having energy or great power; energetic.

            The energic faculty that we call will. --Blackw.
                                                  Mag.