discussive

/D IH0 S K AH1 S AH0 V/
adjective
  1. 1

    (archaic) Doubt-dispelling; decisive.

  2. 2

    (medicine, archaic) Able or tending to discuss, or disperse, tumors or coagulated matter.

noun
  1. 1

    (medicine, archaic) A medicine that discusses or disperses morbid humours; a discutient.