The Collaborative International Dictionary of English v.0.48:

Prefigurative \Pre*fig"ur*a*tive\, a.
   Showing by prefiguration. "The prefigurative atonement."
   --Bp. Horne.
   [1913 Webster]

WordNet (r) 3.0 (2006):

prefigurative
    adj 1: indistinctly prophetic [syn: adumbrative,
           foreshadowing, prefigurative]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "prefigurative":
   apocalyptic, augural, auguring, divinatory, fatidic, forecasting,
   forerunning, foreseeing, foreshadowing, foreshowing, foretelling,
   foretokening, forewarning, fortunetelling, haruspical,
   heavy with meaning, indicative, intuitive, mantic, meaningful,
   monitory, oracular, precursive, precursory, predictional,
   predictive, predictory, prefiguring, preindicative, premonitory,
   presageful, presaging, presignificative, presignifying, prognostic,
   prognosticative, prophetic, sibyllic, sibylline, significant,
   vaticinal, vaticinatory, warning, weather-wise