Actually in effect.
approximate; Not describing the fundamental dynamic changes in some system as they happen.
Efficient, serviceable, or operative, available for useful work.
Having no negative coefficients.
Producing a decided or decisive effect.
Having the power to produce a required effect or effects.
a soldier fit for duty
Precise or very accurate.
Of, relating to, used in, or resulting from surgery.
Excruciatingly or wearyingly drawn-out