What is another word for "elastic"?

Roget's Thesaurus (1911) lists these synonyms for "elastic": action, aeration, aerial, aerification, aeriform, aerodynamics, aerostatics, air, airy, alkali, ammonia, ammoniacal, and, back, baleen, bladder, boomerang, bounce, bound, buoyancy, buoyant, caoutchouc, cloud, coefficient, collision, contrecoup, diffuse, direction, distend, ductile, echo, effluvium, elasticity, emit, equal, essence, ether, ethereal, evanesce, evaporable.