apparition: P. and V. φάσμα, τό, εἰκών, ἡ, εἴδωλον, τό, φάντασμα, τό, V. σκιά, ἡ, ὄψις, ἡ, δόκησις, ἡ.
fancy, as opposed to reality: P. εἴδωλον, τό.
phantom framed of cloud: V. νεφέλης ἄγαλμα (Euripides, Helen 1219).
unreal: use P. and V. δοκῶν.