decider


de·cide

D0071900 (dĭ-sīd′)v. de·cid·ed, de·cid·ing, de·cides v.tr.1. a. To reach a conclusion or form a judgment or opinion about (something) by reasoning or consideration: decide what to do.b. To cause to make or reach a decision: "The presence of so many witnesses decided him at once to flee" (Robert Louis Stevenson).2. To settle conclusively all contention or uncertainty about: decide a case; decided the dispute in favor of the workers.3. To influence or determine the outcome of: A few votes decided the election.v.intr.1. To pronounce a judgment; announce a verdict.2. To reach a decision; make up one's mind.
[Middle English deciden, from Old French decider, from Latin dēcīdere, to cut off, decide : dē-, de- + caedere, to cut; see kaə-id- in Indo-European roots.]
de·cid·a·bil′i·ty n.de·cid′a·ble adj.de·cid′er n.Synonyms: decide, determine, settle, rule, conclude, resolve
These verbs mean to come to a decision about. Decide has the broadest range: The judge will decide the case on its merits. We decided to postpone our vacation for a week.
Determine has a similar range but often involves somewhat narrower issues: The doctor determined the cause of the infection. The jury will determine the fate of the defendant.
Settle stresses finality of decision: "The lama waved a hand to show that the matter was finally settled in his mind" (Rudyard Kipling).
Rule implies that the decision is handed down by someone in authority: The committee ruled that changes in the curriculum should be implemented.
Conclude suggests that a decision, opinion, or judgment has been arrived at after careful consideration: She concluded that the criticism was unjust.
Resolve stresses the exercise of choice in making a firm decision: I resolved to lose weight.

decider

(dɪˈsaɪdə) n (General Sporting Terms) the point, goal, game, etc, that determines who wins a match or championship
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