8 letters · 8 points in Scrabble
noun an erroneous mental representation
noun something many people believe that is false
noun the act of deluding; deception by creating illusory ideas
originFrom Old French illusion, from Latin illūsiō, from illūdere, from in- (“at, upon”) + lūdere (“to play, mock, trick”). Displaced native Old English dwimmer.
Etymology from Wiktionary, CC BY-SA 3.0