decide in WordNet English dictionary

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