- cachet, seal, seal of approval - an indication of approved or superior status
--1 is a kind of award, accolade, honor, honour, laurels
- cachet, lettre de cachet - a warrant formerly issued by a French king who could warrant imprisonment or death in a signed letter under his seal
--2 is a kind of warrant
- cachet - a seal on a letter
--3 is a kind of seal, stamp