com/browse/dapper (not all are suitable synonyms). Scanning through them quickly, the only one that stands out as specific to women is "chic". This doesn't mean exactly the same as "dapper", though.
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PhilipWithout looking at the thesaurus mentioned above, I'd go with "stylish."Good idea, I'm not sure why I didn't notice that one....
Here is my contribution, found today.
https://www.autostraddle.com/more-than-words-dapper-i-hardly-know-her-180132/
"Crisp" also has similar connotations as "dapper," implying a tailored style with thorough attention to detail. "Polished" may also be used in this context, but may also connote demeanor.