This is the 15206th most frequent Polish word.
senatorem
The Polish word "senatorem" translates to "senator" in English (instrumental case).
Here, 'senatorem' is used as a predicate noun in the instrumental case after 'został,' which means 'became' or 'was elected as.'
Marek został wybrany senatorem w zeszłym roku.
Marek was elected as a senator last year.
In this sentence, 'senatorem' is in the instrumental case, used to indicate association or company (whom the speaker talked with).
Rozmawiałem z senatorem o przyszłych ustawach.
I spoke with the senator about future laws.
In this instance, 'senatorem' is used in a general sense in the instrumental case, expressing the role or identity being attributed.