1) Tendency or impulse to act 
• (n.) Tendency or impulse to act.
Ac·tu'ri·ence noun [ A desid. of Latin agere , actum , to act.] Tendency or impulse to act. [ R.] « Acturience , or desire of action, in one form or another, whether as restlessness, ennui, dissatisfaction, or the imagination of something desirable. J. Grote. »...