The Collaborative International Dictionary of English v.0.48:

Excito-motory \Ex*ci`to-mo"to*ry\, a. (Physiol.)
   Exciting motion; -- said of that portion of the nervous
   system concerned in reflex actions, by which impressions are
   transmitted to a nerve center and then reflected back so as
   to produce muscular contraction without sensation or
   volition.
   [1913 Webster]