General Prosperity & Success:
* Thrived
* Prospered
* Succeeded
* Blossomed
* Boosted
* Advanced
* Progressed
Growth & Development:
* Sprouted
* Expanded
* Bloomed
* Developed
* Matured
Movement & Activity:
* Waved
* Swung
* Gestured
* Moved
* Danced
Artistic Expression:
* Embellished
* Decorated
* Adorned
* Exuberated
To Emphasize:
* Emphasized
* Highlighted
* Stressed
* Underscored
To choose the best synonym, consider the specific context in which "flourished" is used.