Illusions

noun

1. Anything that seems to be something that it is not.

   "Using artificial additives, scientists can create the illusion of fruit flavours in food."

2. A misapprehension; a belief in something that is in fact not true.

   "Jane has this illusion that John is in love with her."

3. A magician’s trick.
4. The state of being deceived or misled.