catharsis

n. purging, purification (Medicine); emotional cleansing through drama; (Psychiatry) relief of tension and anxiety through the expression of repressed thoughts and feelings (also katharsis)

Catharsis is a Greek word meaning "purification" or "cleansing" derived from the ancient Greek gerund καθαίρειν transliterated as kathairein "to purify, purge," and adjective katharos "pure or clean" (ancient and modern Greek: καθαρός).
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Catharsis /ca·thar·sis/ 1. purgation; a cleansing or emptying. 2. in psychiatry, the expression and discharge of repressed emotions and ideas. [more]Catharsis - Community and Resources

Noun
1. (psychoanalysis) purging of emotional tensions
(synonym) katharsis, abreaction
(hypernym) purge, purging
(classification) psychoanalysis, analysis, depth psychology
2. purging the body by the use of a cathartic to stimulate evacuation of the bowels
(synonym) katharsis, purgation
(hypernym) purge, purging

n. catharsis, purging; emotional cleansing through drama; relief of tension and anxiety through the expression of repressed thoughts and feelings (Psychiatry)