productive


productive (http://definr.com/productive)

     adj 1: producing or capable of producing (especially abundantly);
            "productive farmland"; "his productive years"; "a
            productive collaboration" [ant: unproductive]
     2: having the ability to produce or originate; "generative
        power"; "generative forces" [syn: generative] [ant: consumptive]
     3: yielding positive results
     4: marked by great fruitfulness; "fertile farmland"; "a fat
        land"; "a productive vineyard"; "rich soil" [syn: fat, fertile,
         rich]