Trouvaille is a French term that refers to a valuable discovery or a rare find. Synonyms for trouvaille include gem, treasure, treasure trove, gemstone, jewel, rarity, and discovery. These words depict the value and significance of a valuable discovery. Other synonyms for this term are marvel, wonder, find, and revelation. These words describe something that is special and extraordinary, highlighting the importance of the discovery. Additionally, the word eureka can also be used interchangeably with trouvaille. Whatever term is used, the essence is still the same- to showcase an important and unique discovery that is of great value.