A closely similar case in existence or in the past
Just gone by or elapsed
She was setting a precedent for the future.
Preventing violent crimes and crimes against the weak usually take precedent over fraud and economic crimes.
He set the precedent in the history of art.
Appeal panels are not bound by precedent or by any notional percentage of appeals which they must uphold in parents' favor.
Whether or not the merger works better without Mr. Green, the method of his disposal is a dangerous precedent.