Flourishingly refers to something that's thriving or prospering, especially in the context of growth or success. Some synonyms for flourishingly include thrivingly, prosperously, successfully, prosperingly, and boomingly. These words all suggest positive growth and momentum, and indicate a situation or entity that is well beyond just surviving and is instead thriving. Other words that convey a similar meaning include actively, buoyantly, promisingly, robustly, vigorously, and triumphantly. As an adverb, flourishingly is often partnered with dynamic action words such as expanding, growing, or developing. These synonyms can help describe and convey the positive energy a situation or entity has.