pseudomania

[ sōō′dō-mānē-ə, -mānyə ]

n.

Feigned insanity.
A mental disorder in which the individual alleges to have committed a crime, but has not.
The pathological impulse to falsify or lie.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.