Definition of precedential in US English:

precedential

adjective

  • Of the nature of or constituting a precedent; providing a guide or rule for subsequent cases.

Origin

Mid 17th century; earliest use found in Richard Montagu (bap. 1575, d. 1641), bishop of Norwich and religious controversialist. From precedent + -ial.

Pronunciation

precedential

/ˌprɛsɪˈdɛnʃl/