motility

nouns

ability to move spontaneously and independently
motility
is derived from
motile
antonym
immotility
is a type of (narrower)
the quality of moving freely
mobility
a change of position that does not entail a change of location
"the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"
motility, motion, move, movement