Puissance is the power to influence what other people do or believe. A celebrity who is extremely popular with teens has puissance to help end problems like bullying just by talking about it in interviews.
Puissance is a French word that describes being powerful. When you have a strong influence over someone, you have puissance, which is pronounced "PYOO-uh-sens." It's an uncommon but poetic way to describe power, especially the power to convince someone to do something, like an older sibling's puissance. Another meaning of puissance is a show jumping horse's ability to jump large hurdles.
