A2 [I or T] to choose something, especially after thinking carefully about several possibilities: They have to decide by next Friday. I don't mind which one we have - you decide. [+ to infinitive] In the end, we decided to go to the theatre. [+ (that)] She decided (that) she would retire to the country. [+ question word] I can't decide what to do. He can't decide whether to buy it. The committee decided in favour of (= made a formal judgment to choose) the cheapest option.Decisions and deciding C2 [T] to be the reason or situation that makes a particular result happen: The weather decided the outcome of the cricket match. Tim's mistake decided the game (= caused him to lose).Decisions and deciding