An Etymological Dictionary of Astronomy and Astrophysics

1. To put into mechanical action or motion.
   

2. To incite or move to action; motivate.

Etymology (EN): From L. actuatus, p.p. of actuare, from actus, → act.

Etymology (PE): Baržiridan, from bar- “on, upon, up,” → on-, + žiridan “to → act.”