exorcise
Definitions
To drive out an evil spirit from a person or place by religious or solemn incantations.
To free or rid a person or place of an evil spirit.
To get rid of something troublesome or unpleasant, such as a painful memory.
Examples
The priest was called to the old mansion to exorcise the restless spirits haunting the halls.
She tried to exorcise the painful memories of her past by focusing entirely on her new career.