swank

nouns

elegance by virtue of being fashionable
chic, chichi, chicness, last word, modishness, smartness, stylishness, swank
is derived from
swanky

verbs

display proudly; act ostentatiously or pretentiously
"he showed off his new sports car"
flash, flaunt, ostentate, show off, swank

adjectives

imposingly fashionable and elegant
"a swank apartment"
swank, swanky