Verb
To lead from truth or into error; to mislead the mind or judgment of; to beguile; to impose on; to dupe; to make a fool of.
To frustrate or disappoint.
Source: Webster's dictionaryMost people might just as well buy a share of the whole market, which pools all the information, than delude themselves into thinking they know something the market doesn't. Merton Miller
The ability to delude yourself may be an important survival tool. Jane Wagner
The dreamers always seem to think their dream is worth the price that other people will pay. They also delude themselves that they will control whatever evil they use to try to bring about their dream. Orson Scott Card
There's no way you can get the past right. You can pretend. You can delude yourself, but you can't re-create what's over. Chuck Palahniuk
He gave me no sign. I was never the sort to receive portents, or to delude myself that I had. Silence was always my portion, in return for my prayers. Lois McMaster Bujold
So much of the uncanny-or the holy, for that matter-is inward experience. As such, testimony about it tends to be tainted. People lie. People delude themselves, or others. People are swayed or frightened or convinced they have seen things they have not. People are, frankly, sometimes simply mad. Lois McMaster Bujold