Here's a breakdown:
* Stylish: The clothing is fashionable and well-fitting, often with a sense of individual flair.
* Appropriate: The outfit is suitable for the context. For example, a "smartly dressed" person at a formal event might wear a suit or evening gown, while a "smartly dressed" person at a casual gathering might wear jeans and a nice shirt.
* Thoughtful: The person has taken time to consider the occasion and their own personal style when choosing what to wear.
Here are some synonyms for "smartly dressed":
* Well-dressed
* Elegantly dressed
* Chic
* Fashionable
* Put together
Examples:
* "The guests were all smartly dressed for the wedding."
* "He looked smartly dressed in his tailored suit."
* "She always manages to look smartly dressed, even in casual clothes."