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Knowing; wise; shrewd. [Old Slang] I said you were a gnostic fellow. Sir W. Scott.

The system of philosophy taught by the Gnostics.

Professing ignorance; involving no dogmatic; pertaining to or involving agnosticism. -- Ag*nos"tic*al*ly, adv.

That doctrine which, professing ignorance, neither asserts nor denies. Specifically: (Theol.)

Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.

To make a diagnosis of; to recognize by its symptoms, as a disease.

rtaining the nature of diseases by means of their symptoms or signs. His rare skill in diagnostics. Macaulay.

Of or pertaining to geognosy, or to a knowledge of the structure of the earth; geological. [R.]

ating something future by signs or symptoms; foreshowing; aiding in prognosis; as, the prognostic symptoms of a disease; prognostic signs.

Capable of being prognosticated or foretold. Sir T. Browne.

ture; to foretell from signs or symptoms; to prophesy; to foreshow; to predict; as, to prognosticate evil. Burke. I neither will nor can prognosticate To the young gaping heir his father's fate. Dryden.

The act of foreshowing or foretelling something future by present signs; prediction.

One who prognosticates; a foreknower or foreteller of a future course or event by present signs. Isa. xlvii. 13.

; pertaining to the characters of minerals when examined before the blowpipe; as, the pyrognostic characters of galena.

The characters of a mineral observed by the use of the blowpipe, as the degree of fusibility, flame coloration, etc.

Prognostication by inspection of the entrails of victims slain sacrifice.

ogy; professing or practicing astrology. "Astrologi learning." Hudibras. "Astrological prognostication." Cudworth. -- As`tro*log"ic*al*ly, adv.

To conjecture from signs or omens; to prognosticate; to foreshow. My auguring mind assures the same success. Dryden.

An omen; prediction; prognostication; indication of the future; presage. From their flight strange auguries she drew. Drayton. He resigned himself . . . with a docility that gave little augury of his future greatness. Prescott.

An omen; a prognostic. [Obs.] This foolish, dreaming, superstitious girl Makes all these bodements. Shak.