plastic

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

used of the imagination

• “material...transformed by the plastic power of the imagination” -Coleridge

capable of being molded or modeled (especially of earth or clay or other soft material)

• “plastic substances such as wax or clay”

capable of being influenced or formed

• “the plastic minds of children”
• “a pliant nature”