motile

Short definition from Wiktionary

Adjective

1. 1
   In organisms: having the power to move spontaneously.
2. 2
   In organs or organelles: capable of producing motion.
3. 3
   In organs: having the power to move their contents, or to change their shape or tension by writhing or contracting as required by their particular physiological functions.
4. 4
   Of or relating to those mental images that arise from the sensations of bodily movement and position.

Noun

1. 1
   A person whose prevailing mental imagery takes the form of inner feelings of action, such as incipient pronunciation of words, muscular innervations, etc.