Collocations for precedent - noun

bad, dangerous, unfortunate | good, important | historical | judicial, legal

serve as
This case could could serve as a precedent for others against the tobacco companies.

have | create, establish, provide, set
This lowering of standards sets a dangerous precedent for future developments.

cite, quote | find | base sth on, use sth as
The judge based his decision on precedents set during the Middle Ages.

follow

without ~
The achievements of this period were without precedent in history.

~ for
Many precedents can be found for this decision.