flourish

verb
1

To thrive or grow well.

"The barley flourished in the warm weather."

2

To prosper or fare well.

"The town flourished with the coming of the railway."

3

To be in a period of greatest influence.

"His writing flourished before the war."

4

To develop; to make thrive; to expand.

5

To make bold, sweeping movements with.

"They flourished the banner as they stormed the palace."

6

To make bold and sweeping, fanciful, or wanton movements, by way of ornament, parade, bravado, etc.; to play with fantastic and irregular motion.

7

To use florid language; to indulge in rhetorical figures and lofty expressions.

8

To make ornamental strokes with the pen; to write graceful, decorative figures.

9

To adorn with beautiful figures or rhetoric; to ornament with anything showy; to embellish.

10

To execute an irregular or fanciful strain of music, by way of ornament or prelude.

11

To boast; to vaunt; to brag.

12

To brandish (a weapon).

13

To be known to have been alive at a particular time or in a particular period, where one's birth and death dates are not known; to have been active during a specified period; floruit.

"John Smith (flourished 1425-1432) was..."

noun
1

A dramatic gesture such as the waving of a flag.

"With many flourishes of the captured banner, they marched down the avenue."

2

An ornamentation.

"His signature ended with a flourish."

3

A ceremonious passage such as a fanfare.

"The trumpets blew a flourish as they entered the church."

4

A decorative embellishment on a building.

Definitions come from the Free Dictionary API (dictionaryapi.dev), with Wiktionary as a fallback when it is slow, and are cached for up to 24 hours.