IPA: //ˈflɔːrɪʃɪŋli//
KK: /flɔːrɪʃɪŋli/
In a way that shows growth and success; thriving or prospering.
The garden is flourishingly vibrant with colorful flowers and healthy plants.
Flourishingly → It is formed from "flourish" (from Old French *florir*, meaning to bloom or thrive) and "-ingly" (a suffix used to form adverbs indicating manner). The word "flourishingly" means in a manner that is thriving or blooming.
Think of the word 'flourish' which means to thrive or bloom, and remember that 'flourishingly' describes doing something in a thriving manner.