What is the meaning of Cachet?

A seal, as of a letter.

A special characteristic or quality; prestige, especially via association.

A commemorative stamped design or inscription on an envelope, other than a cancellation or pre-printed postage.

A sealed envelope containing an item whose price is being negotiated.

A capsule containing a pharmaceutical preparation.

A hidden location from which one can observe birds while remaining unseen.

To mark (an envelope) with a commemorative stamped design or inscription.

seal

pill

cachet

salary (for stage artists)

tablet, capsule (medical)

fee

rinse (coloured/colored, for the hair)

second-person singular conditional colloquial of cachu

Source: wiktionary.org