- decide
- /dI'saId/ verb
1 (I, T) to make a choice or judgment about something, especially after a period of not knowing what to do or in a way that ends disagreement: decide to do sth: Tina's decided to go to Prague for her holidays. | decide that: It was eventually decided that four London hospitals should be closed. | decide who/what/how etc: I can't decide what to do. | decide whether/if: Women now have greater freedom to decide whether or not to get married.(+ between): I'm trying to decide between the green and the blue for the bathroom. | decide sth: I'm eighteen now - I have a right to decide my own future. | decide for yourself (=make your own choice or judgment, without asking anyone else to do it for you): You must decide for yourself whether to leave college. —see also: decision (1)2 (T) to be the reason for someone making a particular judgment or choice: decide sb to do sth: What was it that finally decided you to give up your job? | deciding factor (=a very strong reason that forces you to make a particular decision): Money should not be the deciding factor over who runs a TV station.3 (T) if an event, action etc decides something, it influences events so that one particular result will happen: A goal in the last minute decided the match. | the deciding vote (=the person who has the deciding vote makes the final decision, because all the other votes are equally divided)4 decide in favour of/decide againsta) to choose or not choose someone or something: After long discussion they decided in favour of the younger candidate.b) if a judge or jury (1) decides in favour of someone or against someone, they say in court that someone is guilty or not guilty: The jury decided in favour of the plaintiff.decide on sth phrasal verb (T) to choose one thing from many possible choices: Have you decided on a date for your wedding?
Longman dictionary of contemporary English. 2004.