dapperness

noun

the quality of being dapper; spruceness, trimness

Wiktionary

noun

Etymology: Etymology tree English dapper Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English dapperness From dapper + -ness.

The state or quality of being dapper.
“‘But I just adore his dapperness. Heʼs terribly dapper.’”