| noun | a collection of things that have been combined; an assemblage of separate parts or qualities |
| noun | a coordinated sequence of chess moves |
| noun | a sequence of numbers or letters that opens a combination lock “he forgot the combination to the safe” |
| noun | a group of people (often temporary) having a common purpose “they were a winning combination” |
| noun | 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) |
| noun | the act of arranging elements into specified groups without regard to order |
| noun | the act of combining things to form a new whole |
| combine | verb | gather in a mass, sum, or whole |
| combinatorial | adjective | relating to or involving combinations |
| compound | verb | create by mixing or combining |