1) Chic 2) Chicness 3) Dapper quality 4) Dapperness 5) Jauntiness 6) Last word 7) Modishness 8) Neat and trim condition 9) Rakishness 10) Smartness 11) Stylishness 12) Swank 13) Trait of a dapper dan Found on https://www.crosswordclues.com/clue/nattiness