(a.) Giving previous warning or notice; as, premonitory symptoms of disease.

augural foreboding forerunning foreshadowing foreshowing foretokening forewarning heavy with meaning indicative intuitive meaningful monitory ominous portentous precautional precautionary precursive precursory predictive prefigurative preindicative presageful presaging prodromal prodromic prognostic prognosticative significant warning