1. The quality or state of being illusory; the characteristic of being deceptive or misleading to the senses or mind.
Usage: Plural form of illusiveness; Abstract noun used to describe multiple instances or aspects of deception

Examples

• The illusivenesses of the magician's tricks amazed the audience.
• She became aware of the illusivenesses in the advertisement's promises.
• The illusivenesses of wealth and status often disappoint those who pursue them.
• The film explored the illusivenesses of memory and perception.
• Despite the illusivenesses of the offer, many people fell for the scam.
• The artist played with the illusivenesses of light and shadow in her paintings.