1. An erroneous mental representation
   - semblance 
2. Something many people believe that is false
   "they have the illusion that I am very wealthy"
   - fantasy, phantasy [archaic], fancy 
3. The act of deluding; deception by creating illusory ideas
   - delusion, head game 
4. An illusory feat; considered magical by naive observers
   - magic trick, conjuring trick, trick, magic, legerdemain, conjuration, thaumaturgy, deception

Sounds like: elusion, allusion

Derived forms: illusions

See also: illusional, illusionist, illusory

Type of: appearance, deceit, deception, dissembling, dissimulation, misconception, performance

Encyclopedia: Illusion

• little owl
• Little Phoebe
• little potato
• Little Red Riding Hood
• Little Rhody
• Little Rock
• Little Sioux River
• little sister
• little skate
• little slam
• Little Sparrow
• little spotted skunk
• little terror
• little theater
• little theatre
• little toe
• Little Wabash
• Little Wabash River
• little-head snakeweed
• little-known
• little-leaf fig
• little-league team
• littleneck
• littleneck clam
• littleness