ignite

This term describes the sudden transition from a dormant state to an active, energetic one. In a literal sense, it refers to the chemical process of combustion, often implying a specific trigger like a spark or heat source that initiates a fire.

In a figurative sense, it describes the sudden onset of intense emotion or social action. It suggests a volatile atmosphere where a single event acts as a catalyst, transforming tension into an explosive reaction or a widespread movement.