What does "formative" mean?

Formative: (Gram.) Serving to form; derivative; not radical; as, a termination merely formative.

Additional senses

  1. 2.(Biol.) Capable of growth and development; germinal; as, living or formative matter.
  2. 3.(a) That which serves merely to give form, and is no part of the radical, as the prefix or the termination of a word. (b) A word formed in accordance with some rule or usage, as from a root.

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