Illusion

Apparition

Synonyms: Mirage, apparition, phantom, spectre, figment of the imagination, trick of the light, hallucination, phantasm, vision, fantasy, will-o'-the-wisp, and ignis fatuus.

Impression

Synonyms: Appearance, imitation, pretence, false appearance, deception, simulacrum, impression, semblance, sham, deceptive appearance, and misperception.

Delusion

Synonyms: Delusion, misconception, false impression, fantasy, chimera, self-deception, castles in Spain, error, fancy, misapprehension, deception, mistaken impression, dream, fool's paradise, castles in the air, fallacy, and misjudgement.

Example Sentences

The magic show created an illusion.

She felt trapped in an illusion.

His smile was just an illusion.

The painting gave an illusion of depth.