delusi

Etymology
From, from.

Noun

 * 1) a false belief that is resistant to confrontation with actual facts.
 * 2) the state of being deluded.
 * 3) that which is falsely or delusively believed or propagated; false belief; error in belief.
 * 1) the state of being deluded.
 * 2) that which is falsely or delusively believed or propagated; false belief; error in belief.