Try and have neutral compassion toward the perpetrator. Step outside the sting of the incident and realize that this person is trying to erase their own inadequacy or unhappiness by transferring it to you. It won't make the incident go away, but it's one thing you can do to reduce the pain.
Monica LewinskySure, my boss took advantage of me, but I will always remain firm on this point: it was a consensual relationship. Any 'abuse' came in the aftermath, when I was made a scapegoat in order to protect his powerful position.
Monica Lewinsky