właściwy

1. proper, appropriate (as something should be in a given situation) [+ dla (genitive) = for whom/what]
2. actual, real (as something really is)
3. proper, actual (being the most important part of something; having traits typical for the given thing)
4. proper (characteristic of something) [+dative = for whom/what]
5. competent (authorized to deal with some matters)
6. proper (in accordance with the law)
7. own (belonging to the speaker)