formal: the act or process of releasing a strong emotion (such as pity or fear) especially by expressing it in an art form [noncount] ▪ Acting is a means of catharsis for her. [singular] ▪ Painting/music/writing is a catharsis for me.
— ca·thar·tic/kəˈθɑɚtɪk/adjective [more cathartic; most cathartic] ▪ a cathartic experience