precedential

Establishes future rules

Precedential describes something that establishes or serves as a precedent—a prior example that guides future decisions.

The term appears most often in legal contexts, where a precedential ruling becomes binding authority for similar cases: The court's precedential opinion will shape discrimination law for decades.

Non-precedential decisions, by contrast, cannot be cited as authority.

legal

case law

Judge-made legal doctrine

doctrine · opinion · appeal · circuit court · majority · dissent · overrule · reversal · remand · amicus

groundbreaking

landmark

Notable point of reference

pathbreaking · novel · original · foundational · seminal · watershed · historic · inaugural · revolutionary

authoritative

binding

Legally or morally required

decisive · dispositive · mandatory · directive · regulatory · normative · canonical · definitive · peremptory · commanding

exemplary

model

Representation or paradigm

prototypical · archetypal · canonical · textbook · illustrative · representative · quintessential · definitive · classic · guiding

Opposites
binding authority

precedentialnon-binding

Not legally enforceable

unpublished · advisory · dicta · unpersuasive · discretionary

temporal/hierarchical priority

precedentialsubsequent

Occurring after something else

junior · following · derivative · secondary · subordinate

Family

precede, precedent, antecedent, precedence, unprecedented, precedents, antecedently, unprecedentedly, precedency

Familiarity
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Used worldwide · Timeless · Abstract · Rated G