Noun
The act of deluding; deception; a misleading of the mind.
The state of being deluded or misled.
That which is falsely or delusively believed or propagated; false belief; error in belief.
Source: Webster's dictionaryThe time of delusion is coming, don't look for anyone - you will be deceived. Matrona of Moscow
Love is the delusion that one woman differs from another. H. L. Mencken
A nation is a society united by a delusion about its ancestry and by common hatred of its neighbours. William Ralph Inge
No man is happy without a delusion of some kind. Delusions are as necessary to our happiness as realities. Christian Nestell Bovee
The people never give up their liberties but under some delusion. Edmund Burke
It is a common delusion that you make things better by talking about them. Rose Macaulay