Effective — Defs

01 a. Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effecti…

1.
Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force, remedy, speech; the effective men in a regiment.
“They are not effective of anything, nor leave no work behind them.” — Bacon.

“Whosoever is an effective, real cause of doing his heighbor wrong, is criminal.” — Jer. Taylor.

02 n. That which produces a given effect; a cause.

1.
That which produces a given effect; a cause.
2.
One who is capable of active service.
“He assembled his army -- 20,000 effectives -- at Corinth.” — W. P. Johnston.
3.
Specie or coin, as distinguished from paper currency; -- a term used in many parts of Europe.(Com.)
4.
The serviceable soldiers in a country; an army or any military body, collectively; as, France's effective.