The Collaborative International Dictionary of English v.0.48:

Predictive \Pre*dict"ive\, a. [L. praedictivus.]
   Foretelling; prophetic; foreboding. -- Pre*dict"ive*ly,
   adv.
   [1913 Webster]

WordNet (r) 3.0 (2006):

predictive
    adj 1: of or relating to prediction; having value for making
           predictions [syn: predictive, prognostic,
           prognosticative]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "predictive":
   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,
   predictory, prefigurative, prefiguring, preindicative, premonitory,
   presageful, presaging, presignificative, presignifying, prognostic,
   prognosticative, prophetic, sibyllic, sibylline, significant,
   vaticinal, vaticinatory, warning, weather-wise