Synonyms and related words :
antecedent, anterior, augural, chief, exordial, first, foreboding, foregoing, foremost, forerunning, foreshadowing, foreshowing, foretokening, forewarning, heading, headmost, heavy with meaning, inaugural, indicative, initiatory, intuitive, leading, meaningful, monitory, portentous, precautional, precautionary, precedent, preceding, precessional, precursive, predictive, prefatory, prefigurative, preindicative, preliminary, preludial, prelusive, premonitory, preparatory, presageful, presaging, prevenient, prior, prodromal, prodromic, proemial, prognostic, prognosticative, propaedeutic, significant, warning