operative

operative is an   Adverb

Definition:

[1] Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive. It holds in all operative principles. South.

[2] Producing the appropriate or designed effect; efficacious; as, an operative dose, rule, or penalty.

[3] Based upon, or consisting of, an operation or operations; as, operative surgery.

Synonyms: