n. [ L. praenoscere to foreknow; prae before + noscere, notum, to know. ] A prognostic; an omen. [ Obs. ] Gower. [ 1913 Webster ]

a. [ Gr. prognwstiko`n. See Prognosis. ] Indicating something future by signs or symptoms; foreshowing; aiding in prognosis; as, the prognostic symptoms of a disease; prognostic signs. [ 1913 Webster ]

n. [ L. prognosticum, Gr. &unr_;: cf. F. pronostic, prognostic. See Prognostic, a. ] [ 1913 Webster ]

1. That which prognosticates; a sign by which a future event may be known or foretold; an indication; a sign or omen; hence, a foretelling; a prediction. [ 1913 Webster ]

That choice would inevitably be considered by the country
as a prognostic of the highest import. Macaulay. [ 1913 Webster ]

2. (Med.) A sign or symptom indicating the course and termination of a disease. Parr. [ 1913 Webster ]

Syn. -- Sign; omen; presage; token; indication. [ 1913 Webster ]

v. t. To prognosticate. [ Obs. ] [ 1913 Webster ]

a. Capable of being prognosticated or foretold. Sir T. Browne. [ 1913 Webster ]

v. t. [ imp. & p. p. Prognosticated p. pr. & vb. n. Prognosticating. ] [ See Prognostic. ] To indicate as future; to foretell from signs or symptoms; to prophesy; to foreshow; to predict; as, to prognosticate evil. Burke. [ 1913 Webster ]

I neither will nor can prognosticate
To the young gaping heir his father's fate. Dryden. [ 1913 Webster ]

Syn. -- To foreshow; foretoken; betoken; forebode; presage; predict; prophesy. [ 1913 Webster ]

n. [ Cf. F. prognostication. ] [ 1913 Webster ]

1. The act of foreshowing or foretelling something future by present signs; prediction. [ 1913 Webster ]

2. That which foreshows; a foretoken. Shak. [ 1913 Webster ]

n. One who prognosticates; a foreknower or foreteller of a future course or event by present signs. Isa. xlvii. 13. [ 1913 Webster ]