wierzyć

1. to believe (to accept as true, particularly without absolute certainty)
2. to believe (to accept that someone is telling the truth)
3. to believe in (to have confidence in the ability or power of)
4. to believe in (to believe that something is right or desirable)
5. to believe (to have religious faith; to believe in a greater truth)
6. (obsolete) to confide in; to confess