conclude in WordNet English dictionary

1. come to a close
   "The concert closed with a nocturne by Chopin"
   conclude  close 
   
2. decide by reasoning; draw or come to a conclusion
   "We reasoned that it was cheaper to rent than to buy a house"
   reason  reason out  conclude 
   
3. bring to a close
   "The committee concluded the meeting"
   conclude 
   
4. reach a conclusion after a discussion or deliberation
   conclude  resolve 
   
5. reach agreement on
   "They concluded an economic agreement"; "We concluded a cease-fire"
   conclude