1. (verb)decide, make up one's mind, determine reach, make, or come to a decision about something "We finally decided after lengthy deliberations"
2. (verb)decide, 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"
3. (verb)decide cause to decide "This new development finally decided me!"
4. (verb)decide influence or determine "The vote in New Hampshire often decides the outcome of the Presidential election"