ignis fatuus /igˈnis fatˈū-əs or fatˈŭ-ŭs/

1. Will-o'-the-wisp, the light produced by combustion of marsh-gas, which may lead a traveller into danger
2. Any delusive ideal or hope that may lead one astray

• elucidations
• elucidative
• elucidator
• elucidators
• elucidatory
• elucubration
• elude
• eluded
• eluder
• eluders
• eludes
• eludible
• eluding
• eluent
• eluents
• Elul
• elusion
• elusions
• elusive
• elusively
• elusiveness
• elusoriness
• elusorinesses
• elusory
• elute