1. A collection of things that have been combined; an assemblage of separate parts or qualities Noun
2. A coordinated sequence of chess moves Noun
3. A sequence of numbers or letters that opens a combination lock Noun
4. A group of people (often temporary) having a common purpose Noun
5. 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
6. The act of arranging elements into specified groups without regard to order Noun
7. The act of combining things to form a new whole Noun