Synset
a mistaken or unfounded opinion or idea
<noun.cognition>
delusion
hallucination
sample sentences
"he has delusions of competence"
"his dreams of vast wealth are a hallucination"
lexical pointers
derivationally related form
delusional
delude
lexical pointers
derivationally related form
hallucinate
semantic pointers
hypernym
misconception
hyponym
disorientation, freak out