znać

1. to know (to have knowledge of)
2. to know (to have contact with a person)
3. to know (having learned, to be able to apply, e.g. a language)
4. to know somebody/something (to know that something exists)
5. (obsolete) to consider as, to take for [+instrumental] or [+ za (accusative) = as what/whom]
6. (obsolete) to realize (to become aware of)
7. (obsolete) to know (to have knowledge of)
8. to know each other, to know one another (to have knowledge of one another) [+ z (instrumental) = whom]
9. to know one's way around something (to know something very well) [+ na (locative) = around what]
10. to know one's way around someone (to be able to intuit someone's thoughts and intentions well) [+ na (locative) = around whom]
11. (obsolete) to consider oneself as, to take oneself for [+instrumental] or [+ za (accusative) = as what/whom]
12. (obsolete) to have sex
13. (obsolete) to consider as one's own [+ do (genitive)], [+ ku (dative)], or [+ w (locative) = what/whom]