All optical illusion synonyms

noun optical illusion

• deceptiveness — apt or tending to deceive: The enemy's peaceful overtures may be deceptive.
• delusion — A delusion is a false idea.
• misbelief — erroneous belief; false opinion.
• misimpression — a faulty or incorrect impression; a misconception or misapprehension.
• mirage — an optical phenomenon, especially in the desert or at sea, by which the image of some object appears displaced above, below, or to one side of its true position as a result of spatial variations of the index of refraction of air.
• idolism — idolatry.
• eidolon — An idealized person or thing.
• hocuspocus — Alternative spelling of hocus-pocus.
• images — a physical likeness or representation of a person, animal, or thing, photographed, painted, sculptured, or otherwise made visible.
• illusion — something that deceives by producing a false or misleading impression of reality.
• ignis fatuus — Also called friar's lantern, will-o'-the-wisp. a flitting phosphorescent light seen at night, chiefly over marshy ground, and believed to be due to spontaneous combustion of gas from decomposed organic matter.