flourish - noun

a showy gesture

an ornamental embellishment in writing

a display of ornamental speech or language

the act of waving

(music) a short lively tune played on brass instruments

flourish - verb

• grow vigorously
• make steady progress; be at the high point in one's career or reach a high point in historical significance or importance
• move or swing back and forth

flourish - thesaurus

boom   brandish   expand   fanfare   prosper   thrive   tucket   wave