illusion
n//ɪˈl(j)uːzj(ə)n//illusion, synvilla, förvillelse, trick
(countable) Anything that seems to be something that it is not.
(countable) A misapprehension; a belief in something that is in fact not true.
(countable) A magician’s trick.
(uncountable) The state of being deceived or misled.