Formative /(?)/

Form·a·tive

Formative

a.
  1. Giving form; having the power of giving form; plastic; as, the formative arts.
    The meanest plant can not be raised without seed, by any formative residing in the soil.
  2. Serving to form; derivative; not radical; as, a termination merely formative. (Gram.)
  3. Capable of growth and development; germinal; as, living or formative matter. (Biol.)

Formative

n.
  1. That which serves merely to give form, and is no part of the radical, as the prefix or the termination of a word. (Gram.)