Meaning Of Effective

a.

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.

n.

That which produces a given effect; a cause.

n.

One who is capable of active service.

n.

Specie or coin, as distinguished from paper currency; -- a term used in many parts of Europe.