effective
     adj 1: producing or capable of producing an intended result or
            having a striking effect; "an air-cooled motor was
            more effective than a witch's broomstick for rapid
            long-distance transportation"-LewisMumford; "effective
            teaching methods"; "effective steps toward peace";
            "made an effective entrance"; "his complaint proved to
            be effectual in bringing action"; "an efficacious law"
            [syn: {effectual}, {efficacious}] [ant: {ineffective}]
     2: able to accomplish a purpose; functioning effectively;
        "people who will do nothing unless they get something out
        of it for themselves are often highly effective
        persons..."-G.B.Shaw; "effective personnel"; "an efficient
        secretary"; "the efficient cause of the revolution" [syn:
        {efficient}]
     3: works well as a means or remedy; "an effective reprimand";
        "a lotion that is effective in cases of prickly heat"
     4: exerting force or influence; "the law is effective
        immediately"; "a warranty good for two years"; "the law is
        already in effect (or in force)" [syn: {good}, {in
        effect(p)}, {in force(p)}]
     5: existing in fact; not theoretical; real; "a decline in the
        effective demand"; "confused increased equipment and
        expenditure with the quantity of effective work done"
     6: equipped and ready for service; "the fort was held by about
        100 effective soldiers"
Source: WordNet® 2.0