What is another word for prosperous?

There are many words you could use depending on the context and the specific meaning you want to convey. Here are a few options:

General:

* Thriving

* Flourishing

* Successful

* Affluent

* Wealthy

* Rich

* Booming

* Prosperous (this word is a synonym of itself!)

More specific:

* Bountiful (referring to abundance)

* Lucrative (referring to financial success)

* Opulent (referring to luxury and wealth)

* Well-off (referring to financial comfort)

* Fortunate (referring to good luck or circumstances)

* Abundant (referring to plenty)

Figurative:

* Blooming (referring to growth and development)

* Vigorous (referring to strength and vitality)

* Fruitful (referring to productivity and success)

The best word will depend on the specific situation you are describing.