It's purposely constructing a false reality to make a victim think they are going insane. I am taking some rhetorical liberties by not intending the second part

It's purposely constructing a false reality to make a victim think they are going insane. I am taking some rhetorical liberties by not intending the second part of that and using it to refer to the false information only. http://en.wikipedia.org/wiki/Gaslighting http://en.wikipedia.org/wiki/Gaslighting