THESAURUS
feather bed
blubber, breeze, butter, clay, cushion, dough, down, eiderdown, feathers, fleece, floss, flue, fluff, foam, kapok, pillow, plush, pudding, puff, putty, rubber, satin, silk, swansdown, thistledown, velvet, wax, wool, zephyr
ROGET THESAURUS
feather bed
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.