exist
     v 1: have an existence, be extant; "Is there a God?" [syn: {be}]
     2: support oneself; "he could barely exist on such a low wage";
        "Can you live on $2000 a month in New York City?"; "Many
        people in the world have to subsist on $1 a day" [syn: {survive},
         {live}, {subsist}]
Source: WordNet® 2.0