(a.) Capable of being altered.

able to adapt accessible accommodative acquiescent adaptive adjustable all-around alterable alterative ambidextrous amphibious at hand available bendable bending bouncy buoyant changeable checkered complaisant compliant conformable convenient ductile elastic ever-changing extensible extensile fabricable facile feasible fictile flexible flexile flexuous fluid foolproof formable formative generally capable giving handy impermanent impressible impressionable kaleidoscopic like putty limber lissome lithe lithesome lively malleable manageable maneuverable many-sided metamorphic mobile modifiable moldable movable mutable nonuniform obedient of all work on call on deck on hand on tap other-directed permutable plastic pliable pliant practical protean proteiform ready receptive resilient resourceful responsive rubbery sensitive sequacious shapable springy stretch stretchable stretchy submissive supple susceptible to hand tractable tractile transient transitory two-handed untroublesome variable versatile whippy wieldable wieldy willowy yielding