As adjectives the difference between cathartic and evacuative
is that cathartic is purgative; inducing catharsis while evacuative is that causes evacuation; cathartic; purgative.
As a noun cathartic
is a laxative.
cathartic
English
Alternative forms
* cathartick (obsolete)
Adjective
(
en adjective)
purgative; inducing catharsis
That releases emotional tension, especially after an overwhelming experience