Synonyms for Cathartic (same or very similar meaning)
WordNet sense 1 (a purging medicine; stimulates evacuation of the bowels):
physic, purgative, aperient
WordNet sense 2 (emotionally purging):
psychotherapeutic
WordNet sense 3 (conducive to good health of body or mind):
healthful
WordNet sense 4 (emotionally purging (of e.g. art)):
releasing
WordNet sense 5 (of more than usual emotion):
emotional
WordNet sense 6 (strongly laxative):
evacuant
WordNet sense 7 (stimulating evacuation of feces):
laxative
From the ODE community, based on WordNet
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