illusion

英[ɪ'l(j)uːʒ(ə)n] 美[ɪ'luʒn]

1. an erroneous mental representation

2. something many people believe that is false;

"they have the illusion that I am very wealthy"

3. the act of deluding; deception by creating illusory ideas

4. an illusory feat; considered magical by naive observers