agrément

noun[in the plural]3

1. •
   Formal approval given by a state government to a diplomat from another country.

   • It is customary […] to sound a foreign government privately before making a formal application for an agrément. — 1939
2. •
   Grace notes.
3. •
   (no longer used) Pleasant qualities, charms.

   • There can be nothing imagined more charming, more fascinating than this Colony. Between their Sufferings and their agrémens, they occupy us almost wholly. — 1793