Alterative

Definition:

(a.) Causing ateration.
(a.) Gradually changing, or tending to change, a morbid state of the functions into one of health.
(n.) A medicine or treatment which gradually induces a change, and restores healthy functions without sensible evacuations.

Compare alterative with other words:

alterative vs. altercative

alterative vs. alternative

alteration vs. alterative

alter vs. alterative