The Collaborative International Dictionary of English v.0.48:
Movability \Mov`a*bil"i*ty\, n. Movableness. [1913 Webster]WordNet (r) 3.0 (2006):
movability n 1: the quality of being movable; capable of being moved or rearranged [syn: movability, movableness] [ant: immovability, immovableness]