DECIDE

[verb] - to (cause to) choose, esp. after careful thought about several possibilitiesThey have to decide by next Friday. [I]I don't mind which one we have - you decide. [I]We decided on a beige carpet for the dining room. [I]In the end, we decided to go to the theatre. [+ to infinitive]She decided (that) she would retire to the country. [+ (that) clause]I can't decide what to do. [+ wh- word]He can't decide whether to buy it. [+ wh- word]The committee decided on/for/in favour of (= made a formal judgment to choose) the cheapest option. [I]The weather decided the outcome of the cricket match (= the weather had an effect on the result). [T]The mistake decided the game (= caused the person or side which made the mistake to lose). [T]The environmental argument was the deciding factor (= the most important matter in choosing a plan of action).The chairperson always has the deciding vote (= the vote which chooses the winner when the other votes have not made this clear).