Answer:
As Kant used the term, acting with wisdom and judgment *in one's own best interest* as one evaluated it.
Distinguished from following a moral imperative, even if it was not personally convenient, or in accord with the judgment of prudence above.
and rules of skill, where judgment goes in accord with technical lessons, personally acquired or passed down.
(how much gunpowder to put into a cannon, perhaps...)
It's that moral imperative, which is not chosen for consequences or convenience, that stands apart in Kant's arguments.
Step-by-step explanation: