Prognostic

Part of speech: noun (n.)

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

2. A sign or symptom indicating the course and termination of a disease. Parr.

Synonyms: Sign; omen; presage; token; indication.

Part of speech: verb (v.)

To prognosticate. [Obs.]

Part of speech: adjective (a.)

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