precedent

1 ENTRIES FOUND:
precedent /ˈprɛsədənt/ noun
plural precedents
precedent
/ˈprɛsədənt/
noun
plural precedents
Britannica Dictionary definition of PRECEDENT
somewhat formal
1 
: a similar action or event that happened at an earlier time
[count]
[noncount]
2 
: something done or said that can be used as an example or rule to be followed in the future
[count]
[noncount]
3 
[noncount] : the usual or traditional way of doing something