(a.) Capable of being adjusted.

able to adapt acquiescent adaptable adaptive all-around alterable alterative ambidextrous amphibious changeable checkered complaisant compliant conformable ever-changing flexible fluid generally capable impermanent kaleidoscopic malleable many-sided metamorphic mobile modifiable movable mutable nonuniform obedient other-directed permutable plastic pliant protean proteiform resilient resourceful rubbery submissive supple tractable transient transitory two-handed variable versatile