pa ‧ nache /pəˈnæʃ, pæ-/ BrE AmE noun [uncountable]
[ Date: 1500-1600 ; Language: Old French ; Origin: pennache , from Late Latin pinnaculum 'small wing' ]
a way of doing things that makes them seem easy and exciting, and makes other people admire you ⇨ style
with panache
They played and sang with great panache.