"Feu de joie" is a French term that translates to "fire of joy" in English. It is typically used to describe a celebratory display of fireworks or the firing of guns in unison. There are many synonyms for this term that can be used to convey the same sense of excitement and jubilation. Some possible options include a pyrotechnic display, a salvo of fireworks, a display of cannon fire, or a festive gunfire. No matter which term is used, the sentiment remains the same - a joyful display meant to commemorate a special occasion or event.