combination in WordNet English dictionary

1. the act of combining things to form a new whole
   combination  combining  compounding 
   
2. the act of arranging elements into specified groups without regard to order
   combination 
   
3. a collection of things that have been combined; an assemblage of separate parts or qualities
   combination 
   
4. a group of people (often temporary) having a common purpose
   "they were a winning combination"
   combination 
   
5. a sequence of numbers or letters that opens a combination lock
   "he forgot the combination to the safe"
   combination 
   
6. an alliance of people or corporations or countries for a special purpose (formerly to achieve some antisocial end but now for general political or economic purposes)
   combination 
   
7. a coordinated sequence of chess moves
   combination