[prog.nos.tic] n [ME pronostique, fr. MF, fr. L prognosticum, fr. Gk prognostikon, fr. neut. of prognostikos foretelling, fr. progignoskein] (14c) 1: something that foretells: portent
2: prognostication, prophecy
[2]prognostic adj (1603): of, relating to, or serving as ground for prognostication or a prognosis "~ weather charts" "favorable ~ signs"