Definition:(adjective) 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 towar(adjective) marked by qualities giving the power to produce an intended effect; "written propaganda is less ####### than the habits and prejudices...of the readers"-Aldous Huxley; "the medicine is ####### in stopping a cough"
| ** Please Select the best Word that fits the definition in the left column |