Synonyms and related words :
apparition, appearance, brainchild, bubble, chimera, delirium, eidolon, fancy, fantasque, fantasy, fiction, figment, figure, form, hallucination, idle fancy, idolum, illusion, image, imagery, imagination, imagining, insubstantial image, invention, maggot, make-believe, myth, phantasm, phantasma, phantasmagoria, phantom, presence, romance, shade, shadow, shape, sick fancy, specter, thick-coming fancies, trip, vapor, vision, waking dream, whim, whimsy, wildest dreams, wraith