redditive

/R EH1 D IH0 T IH0 V/
adjective
  1. 1

    (grammar) Answering to an interrogative or inquiry; conveying a reply.

  2. 2

    (obsolete, rare) Restorative; relating to the process of restoring.

noun
  1. 1

    (grammar) A word which answers an interrogative.