1.Definition: 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...", "Effective personnel"
2.Definition: exerting force or influence
"The law is effective immediately"
3.Definition: existing in fact; not theoretical; real
"A decline in the effective demand", "Confused increased equipment and expenditure with the quantity of effective work done"
4.Definition: 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", "Effective teaching methods", "Effective steps toward peace", "Made an effective entrance"
5.Definition: ready for service
"The fort was held by about 100 effective soldiers"
6.Definition: works well as a means or remedy
"An effective reprimand", "A lotion that is effective in cases of prickly heat"