Dis·cours·ive, n. The state or quality of being discoursive or able to reason. [R.]
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  Dis·cours·ive a.
  1. Reasoning; characterized by reasoning; passing from premises to consequences; discursive.
  2. Containing dialogue or conversation; interlocutory.
     The epic is everywhere interlaced with dialogue or discoursive scenes.   --Dryden.
  3. Inclined to converse; conversable; communicative; as, a discoursive man. [R.]