When a situation or idea "took fire", it means that it rapidly gained popularity, traction, or enthusiasm. Some synonyms for this phrase include "caught on", "went viral", "spread like wildfire", "ignited the imagination", "became a sensation", and "became a hit". This phrase can be used to describe a wide range of phenomena, from catchy songs to innovative products to compelling ideas. It reflects the power of momentum and the way that excitement and enthusiasm can quickly spread from person to person, community to community, and beyond. The phrase "took fire" captures the way that a spark can quickly become a flame, blazing brightly and spreading rapidly.