Exclusivity (noun)

1. The state of being exclusive, or of being the only one.
2. The condition of being the only supplier or provider of a particular product or service.
3. The practice of granting exclusive rights or privileges to a particular person or group.

Origin:

From middle french exclusivité, from latin exclusivus ("excluding"), from excludere ("to exclud.e")

Examples:

1. The hotel's exclusivity made it a popular choice among celebrities.
2. The company's exclusivity agreement with the supplier gave them a competitive advantage.
3. The restaurant's exclusivity is reflected in its high prices.
4. The exclusivity of the club made it difficult to gain membership.
5. The exclusivity of the event made it a highly sought-after ticket.