plastic, pliant -- (capable of being influenced or formed; "the plastic minds of children"; "a pliant nature")
ductile, malleable, pliable, pliant, tensile, tractile -- (capable of being shaped or bent or drawn out; "ductile copper"; "malleable metals such as gold"; "they soaked the leather to made it pliable"; "pliant molten glass"; "made of highly tensile steel alloy")
elastic, flexible, pliable, pliant -- (able to adjust readily to different conditions; "an adaptable person"; "a flexible personality"; "an elastic clause in a contract")
bendable, pliable, pliant, waxy -- (capable of being bent or flexed or twisted without breaking; "a flexible wire"; "a pliant young tree")