WordNet sense 1 (susceptible to being led or directed):

pliable

WordNet sense 2 ((often followed by `of' or `to') yielding readily to or capable of):

susceptible

WordNet sense 3 (capable of being molded or modeled (especially of earth or clay or other soft material)):

plastic, moldable

WordNet sense 4 (capable of resuming original shape after stretching or compression; springy):

elastic