The Collaborative International Dictionary of English v.0.48:

Acturience \Ac*tu"ri*ence\, n. [A desid. of L. agere, actum, to
   act.]
   Tendency or impulse to act. [R.]
   [1913 Webster]

         Acturience, or desire of action, in one form or
         another, whether as restlessness, ennui,
         dissatisfaction, or the imagination of something
         desirable.                               --J. Grote.
   [1913 Webster]