Catharsis

Catharsis could be defined as the transformation of negative emotions into their truly positive counterparts. A quick and easy definition of “truly positive” is that these counterparts are freed from egoism and self-centeredness, to referring everything back to our own pleasure and pains.

For instance, turning anger into a love and understanding of whoever/whatever you are angry at, as Christ suggested (“Love your enemies”). There can also be righteous and unselfish anger, as when Christ overturned the tables of the bankers in the temple and drove them out with a whip, but most of our anger is not really unselfish/righteous/out of moral feelings, but out of narcissistic feelings — this person hurt me, how is this person so evil, etc.

Osho, A well known proponent for catharsis

Anger generally can either be turned into love, or into useful force, as in self-defense or defending an