Ductile
Part of speech: adjective
Definition: Capable of being pulled or stretched into thin wire by mechanical force without breaking. Molded easily into a new form. Led easily; prone to follow.
Malleable
Part of speech: adjective
Definition: Able to be hammered into thin sheets; capable of being extended or shaped by beating with a hammer, or by the pressure of rollers.(metaphorical) Flexible, liable to change.
Example sentence: Superman is pretty much the way he was - you know - what he's always been. A lot of the Marvel characters are products of their time. I think Batman, as a character, has been able to adapt; he's pretty malleable.