English Dictionary

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.
Source : opted (49774)  - auto

That which produces a given effect; a cause.
Source : opted (49775)  - auto

One who is capable of active service.
Source : opted (49776)  - auto

Specie or coin, as distinguished from paper currency; -- a term used in many parts of Europe.
Source : opted (49777)  - auto

The serviceable soldiers in a country; an army or any military body, collectively; as, France's effective.
Source : opted (177958)  - auto