This is the 9756th most frequent Polish word.
zdecydowali
"Decided."
Here, 'zdecydowali' is used in the context of making a decision as a group or individuals in the past tense.
Postanowiliśmy spróbować tej nowej restauracji, więc zdecydowali o rezerwacji stolika.
We decided to try this new restaurant, so they resolved to reserve a table.
In this sentence, 'zdecydowali' relates to concluding a choice or option after deliberation.
Po długiej dyskusji, zdecydowali się na zakup nowego samochodu.
After a long discussion, they decided to purchase a new car.
Here, 'zdecydowali' indicates a formal decision made by a group during a discussion or meeting.