Synonyms of will o' the wisp

Noun

1. friar's lantern, ignis fatuus, jack-o'-lantern, will-o'-the-wisp, light, visible light, visible radiation

usage: a pale light sometimes seen at night over marshy ground

2. will-o'-the-wisp, ignis fatuus, illusion, fantasy, phantasy, fancy

usage: an illusion that misleads