Cachet (noun)

1. A seal on a document, typically one indicating that it is official.
2. A mark of prestige or high status.
3. A distinctive characteristic or quality.

Origin:

Early 19th century: from french, literally "seal", from old provençal cache, from latin capsa "box".

Examples:

1. The document bore the cachet of the President.
2. The school has a cachet of exclusivity.
3. The company's reputation for quality gives it a cachet that its competitors lack.
4. The award carries a certain cachet.
5. The restaurant has a certain cachet that appeals to a certain clientele.