This is the 1651st most frequent Polish word.
okazać
To show, to demonstrate, or to prove.
In this sentence, 'okazać' is used in the sense of 'to show' or 'to present' something as proof or verification.
Muszę okazać dowód osobisty przy zakupie alkoholu.
I must present my ID card when purchasing alcohol.
Here, 'okazać się' means 'to turn out' or 'to prove to be,' indicating a realization or outcome that clarifies a situation.
Okazało się, że egzamin był prostszy, niż się spodziewałem.
It turned out that the exam was easier than I expected.
In this case, 'okazać' is used to indicate 'to express' or 'to demonstrate' showing respect or an emotion towards someone.