Something that is cathartic has the effect of catharsis.
例句
His laughter was cathartic, an animal yelp that brought tears to his eyes.他哈哈大笑以宣泄情绪,声音如野兽般尖厉,眼泪都笑出来了。...a liberating and cathartic experience.释放情感、宣泄情绪的体验
英汉词典释义
n.
泻药
to act as a cathartic用作泻药
英英词典释义
Noun
1. a purging medicine; stimulates evacuation of the bowels