[Greek plastikos, fit for molding]

Forming; growing; changing; developing: metaplastic.

Capable of being shaped or formed: plastic material such as clay.

Relating to or dealing with shaping or modeling: the plastic art of sculpture.

Having the qualities of sculpture; well-formed: “the astonishing plastic beauty of the chorus girls”.

Giving form or shape to a substance: the plastic forces that create and wear down a mountain range.

Influenced or mentally formed; "the plastic minds of children"; "a pliant nature"

Made of a plastic or plastics: a plastic garden hose.

Physics. Capable of undergoing continuous deformation without rupture or relaxation.

Biology. Capable of building tissue.

Marked by artificiality or superficiality; synthetic: a plastic world of fad, hype, and sensation.