plastic
adj 1: used of the imagination; "material...transformed by the
plastic power of the imagination" (Coleridge)
2: capable of being molded or modeled (especially of earth or
clay or other soft material); "plastic substances such as
wax or clay" [syn: {fictile}, {moldable}]
3: capable of being influenced or formed; "the plastic minds of
children"; "a pliant nature" [syn: {pliant}]
n : generic name for certain synthetic or semisynthetic
materials that can be molded or extruded into objects or
films or filaments or used for making e.g. coatings and
adhesives