Webster's Revised Unabridged Dictionary · 1913

discussive

discussive , adjective

[Compare French discussif.]

1.
(Medicine) Able or tending to discuss or disperse tumors or coagulated matter; discutient.
2.
Doubt-dispelling; decisive. [Rare]
A kind of peremptory and discussive voice. — Hopkins

Discussive , noun

(Medicine) A medicine that discusses or disperses morbid humors; a discutient.