Definition from Wiktionary, the free dictionary
- IPA: /pɹoʊˈlɛptɪk/
- Of a calendar, extrapolated to dates prior to its first adoption; of those used to adjust to or from the Julian calendar or Gregorian calendar.
- Describes an event as having been assigned too early a date.
- (rhetoric) Anticipating and answering objections before they have been raised; procataleptic.
- 1989. W. Paul Jones. Theological Worlds Abingdon Press, Nashville, p. 151:
- In World Two, Jesus can be seen as the proleptic event, giving promise of God's vindication of creation in and through history.
Derived terms 
a calendar extrapolated to dates prior to its first adoption