booming

ˈbuːmɪŋ

adjective

having a period of great prosperity or rapid economic growth.

the booming economy of the 1920s

flourishing,burgeoning,thriving,prospering,prosperous,successful,strong,vigorous,buoyant,productive,profitable,fruitful,lucrative,growing,developing,progressing,improving,expanding,mushrooming,snowballing,ballooning,fast-growing,going strong