However, depending on the context, you could use words that convey similar ideas but with a more positive spin:
* Mysterious: This suggests an element of intrigue and allure, rather than suspicion.
* Intriguing: Similar to mysterious, but with a focus on capturing interest.
* Unconventional: This suggests someone who thinks outside the box and might operate in ways that aren't typical.
* Independent: This emphasizes someone who doesn't follow the rules and might be operating on their own terms.
* Nonconformist: Similar to independent, but with a focus on challenging social norms.
It's important to remember that these words might not always be appropriate replacements for "shady" depending on the specific situation.