ab·re·act 
(ăb′rē-ăkt)
(ăb′rē-ăkt)tr.v. ab·re·act·ed, ab·re·act·ing, ab·re·acts
To release (repressed emotions) by acting out, as in words, behavior, or the imagination, the situation causing the conflict.
[Translation of German abreagieren : ab-, away + reagieren, to react.]
ab′re·action n.