deluded

verb (used with object), de·lud·ed, de·lud·ing.

1. to mislead the mind or judgment of; deceive: His conceit deluded him into believing he was important.
2. Obsolete. to mock or frustrate the hopes or aims of.
3. Obsolete. to elude; evade.

verb (tr)

1. to deceive the mind or judgment of; mislead; beguile
2. rare to frustrate (hopes, expectations, etc)

v.

c.1400, from Latin deludere “to play false; to mock, deceive,” from de- “down, to one’s detriment” + ludere “to play” (see ludicrous). Related: Deluded; deluding.