the act of combining things to form a new whole

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

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

a sequence of numbers or letters that opens a combination lock

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)

a sequence of moves that involves a tactical sacrifice or exchange of material to gain a positional or tactical advantage, often leading to a decisive advantage or checkmate