illusion

nouns

an erroneous mental representation
illusion, semblance
is derived from
illusional
something many people believe that is false
"they have the illusion that I am very wealthy"
fancy, fantasy, illusion, phantasy
is derived from
illusory
is derived from
illusional
the act of deluding; deception by creating illusory ideas
delusion, head game, illusion
is derived from
illusional
is derived from
illusionary
an illusory feat; considered magical by naive observers
conjuration, conjuring trick, deception, illusion, legerdemain, magic, magic trick, thaumaturgy, trick
is derived from
illusionist