combination (

     n 1: a collection of things that have been combined; an
          assemblage of separate parts or qualities
     2: a sequence of numbers or letters that opens a combination
        lock; "he forgot the combination to the safe"
     3: a group of people (often temporary) having a common purpose;
        "they were a winning combination"
     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: an occurrence that results in things being combined [syn: combining,
     6: the act of arranging elements into specified groups without
        regard to order
     7: the act of combining things [syn: combining, compounding]