#1 decide v. [make up one's mind, determine] reach, make, or come to a decision about something; "We finally decided after lengthy deliberations". wn
#2 decide v. [settle, resolve, adjudicate] bring to an end; settle conclusively; "The case was decided"; "The judge decided the case in favor of the plaintiff"; "The father adjudicated when the sons were quarreling over their inheritance". wn
#3 decide v. cause to decide; "This new development finally decided me!". wn
#4 decide v. influence or determine; "The vote in New Hampshire often decides the outcome of the Presidential election". wn
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