bur·geon 
/ˈbɚʤən/ verb
bur·geons; bur·geoned; bur·geon·ing /ˈbɚʤən/ verb [no obj] formal : to grow or develop quickly
▪ The market for collectibles has burgeoned in recent years.
▪ The market for collectibles has burgeoned in recent years.
— burgeoning adjective
▪ a burgeoning industry/field/population
▪ a burgeoning industry/field/population
