existence
     n 1: the state or fact of existing; "a point of view gradually
          coming into being"; "laws in existence for centuries"
          [syn: {being}, {beingness}] [ant: {nonexistence}, {nonbeing}]
     2: everything that exists anywhere; "they study the evolution
        of the universe"; "the biggest tree in existence" [syn: {universe},
         {creation}, {world}, {cosmos}, {macrocosm}]
Source: WordNet® 2.0