wystąpić

1. to perform, to play (take part in a performance)
2. to appear; to act; to work; to speak out (to speak publicly about something or take action in connection with it) [with z (+ instrumental) ‘in what’],
3. to apply (to make an official request for) [with z (+ instrumental) ‘in what’], [with do (+ genitive) ‘with whom’],
4. to lead, to step out (to leave to the front of some group)
5. to leave, to step down (to resign from some group)
6. to flood (of large amounts of liquid; to leave some container)
7. to appear, to show up
8. to demand
9. to appear (to show oneself publically)