Numerology (noun)

1. The belief or study that numbers have mystical or spiritual significance and that they can be used to predict or explain certain events or characteristics of an individual or a situation.
2. The practice of using numbers to gain insight into the personality, relationships, or future of a person.

Origin:

The word numerology comes from the latin word "numerus", meaning "number" and the greek word "logos", meaning "word" or "study" . it refers to the belief or study that numbers have mystical or spiritual significance and that they can be used to predict or explain certain events or characteristics of an individual or a situation. it is also used to describe the practice of using numbers to gain insight into the personality, relationships, or future of a person.

Examples:

1. He was studying numerology.
2. Numerology is used in many cultures.
3. The numerology of the date was important.
4. Numerology is used to predict the future.
5. Numerology is not a science.