illusion

Entry Definition
s/he is magician or illusionist; s/he practices sleight of hand
s/he sees it even though it isn't really there, s/he thinks s/he sees it (but doesn't); s/he mistakes it for something else when seeing it
s/he thinks s/he sees h/ but s/he doesn't; s/he mistakes h/ for someone else when seeing h/
s/he sees it even though it isn't really there