What is a synonym for mirage?

Here are some synonyms for "mirage," depending on the context:

General synonyms:

* Illusion

* Phantasm

* Delusion

* Vision

* Chimera

* Fantasy

* Specter

* Apparition

* Hallucination

More specific synonyms related to optical illusions:

* Fata Morgana (a specific type of mirage)

* Heat haze

* Scintillation

* Shimmer

* Distortion

Figurative synonyms:

* Dream

* Hope

* Wish

* Deception

* False promise

The best synonym for "mirage" will depend on the specific meaning you are trying to convey.