prognosticate v. + Add to list US //ˌpɹɑɡˈnɑstəˌkeɪt// UK //pɹəɡnˈɒstɪkˌeɪt// prog·nos·ti·cate SynonymsEtymology Synonyms anticipateauspicatebodecallforebodeforetellomenportendpredictpromiseOriginLA-MED-→ENprognosticate From Medieval Latin prognosticare; see prognostic for more.