flourish
/ˈflʌ.ɹɪʃ/noun
A sweeping, showy movement or decorative touch made to impress.
Example sentences
- “The waiter lifted the silver lid with a flourish.”
- “He signed his name with a fancy flourish.”
The verb, meaning to thrive, is more frequent than this noun. 'With a flourish' is the set phrase: he signed the contract with a flourish.