English definition of “decide”
CHOOSE [I, T] › to choose something after thinking about several possibilities: [+ question word] I haven't decided whether or not to tell him. [+ to do sth] She's decided to take the job. [+ (that)] The teachers decided that the school would take part in the competition.
RESULT [T] › to be the reason or situation that makes a particular result happen: This match will decide the tournament.
deciding factor › the thing that helps to make the final decision