adjective

operative

In operation or having practical effect.

The new rule becomes operative at the beginning of next month.

Etymology

The Latin ancestor means working or active. An operative rule or arrangement is one actually at work and producing effects.

More examples

  • Only one pump remained operative.
  • The agreement was not yet operative.
  • We tested whether the alarm system was fully operative.

Forms

operative

Similar words

effective
Emphasizes producing results rather than being in operation.
applicable
Applicable means relevant to a case, not necessarily currently in force.