This is the 14021st most frequent Polish word.
potwierdzi
"Potwierdzi" means "will confirm" in English.
In this sentence, 'potwierdzi' is used in the meaning of confirming or verifying one's attendance or participation.
On potwierdzi swoją obecność na spotkaniu.
He will confirm his presence at the meeting.
Here, 'potwierdziłem' (past tense of 'potwierdzi') implies verifying or affirming knowledge or understanding.
Potwierdziłem swoją wiedzę na temat tego projektu.
I confirmed my knowledge about this project.
In this interrogative sentence, 'potwierdzić' is used to request verification or affirmation of an action being completed.