PRECEDENTIAL
precedential
(adjective) having precedence (especially because of longer service); “precedential treatment for senior members of the firm”
Source: WordNet® 3.1
Etymology
Adjective
precedential (not comparable)
(legal) Having the force of precedent.
Antonyms
• nonprecedential
Source: Wiktionary
Prec`e*den"tial, a.
Definition: Of the nature of a precedent; having force as an example for
imitation; as, precedential transactions.
All their actions in that time are not precedential to warrant
posterity. Fuller.
Source: Webster’s Unabridged Dictionary 1913 Edition