combination

noun

1. 1

   the act of combining things to form a new whole

2. 2

   the act of arranging elements into specified groups without regard to order

3. 3

   a collection of things that have been combined; an assemblage of separate parts or qualities

4. 4

   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)

5. 5

   a group of people (often temporary) having a common purpose

   they were a winning combination

6. 6

   a sequence of numbers or letters that opens a combination lock

   he forgot the combination to the safe

7. 7

   a coordinated sequence of chess moves