THESAURUS
Flexible
able to adapt, acquiescent, adaptable, adaptive, adjustable, all-around, alterable, alterative, ambidextrous, amenable, amphibious, bendable, bending, biddable, bouncy, buoyant, changeable, checkered, complaisant, compliant, conformable, convenient, cooperative, creased, crimped, docile, dog-eared, doubled, ductile, easy, elastic, ever-changing, extensible, extensile, fabricable, facile, feasible, fictile, flexile, flexuous, flounced, fluid, fluted, foldable, folded, folding, foolproof, formable, formative, gathered, 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, other-directed, permutable, persuadable, persuasible, plaited, plastic, pleated, pliable, pliant, plicate, plicated, plicatile, practical, protean, proteiform, quilled, receptive, resilient, resourceful, responsive, rubbery, ruffled, sensitive, sequacious, shapable, springy, stretch, stretchable, stretchy, submissive, supple, susceptible, tensile, tractable, tractile, transient, transitory, tucked, twilled, two-handed, unaustere, undemanding, unexacting, unharsh, unsevere, unstrict, untroublesome, variable, versatile, whippy, wieldable, wieldy, willowy, yielding
ROGET THESAURUS
Flexible
Softness
N
softness, pliableness, flexibility, pliancy, pliability, sequacity, malleability, ductility, tractility, extendibility, extensibility, plasticity, inelasticity, flaccidity, laxity, penetrability, clay, wax, butter, dough, pudding, alumina, argil, cushion, pillow, feather bed, down, padding, wadding, foam, mollification, softening, soft, tender, supple, pliant, pliable, flexible, flexile, lithe, lithesome, lissom, limber, plastic, ductile, tractile, tractable, malleable, extensile, sequacious, inelastic, aluminous, remollient, yielding, flabby, limp, flimsy, doughy, spongy, penetrable, foamy, cushiony, flaccid, flocculent, downy, edematous, oedematous, medullary, argillaceous, mellow, soft as butter, soft as down, soft as silk, yielding as wax, tender as chicken.
Elasticity
N
elasticity, springiness, spring, resilience, renitency, buoyancy, rubber, India rubber, Indian rubber, latex, caoutchouc, whalebone, gum elastic, baleen, natural rubber, neoprene, synthetic rubber, Buna- S, plastic, flexibility, Young's modulus, elastic, flexible, tensile, spring, resilient, renitent, buoyant, ductile, stretchable, extendable, the stress is proportional to the strain.