1. to grow, flourish, or develop rapidly; to sprout or bud
Usage: often used figuratively to describe ideas, movements, or populations expanding

Examples

• New tech startups began to bourgeon in the city after the investment boom.
• The garden will bourgeon with flowers in spring.
• Her talent for music started to bourgeon when she was just a child.
• The movement bourgeoned into a major social force within a decade.
• Creativity bourgeons when people feel free to experiment.
• The vines bourgeons along the fence every summer.