prognostic

noun
  1. 1

    Prognosis

  2. 2

    A sign by which a future event may be known or foretold.

    โ€œ(By sure prognostics) when to dread a showโ€™r.โ€

  3. 3

    A prediction of the future.

  4. 4

    One who predicts the future.

adjective
  1. 1

    Of, pertaining to or characterized by prognosis or prediction.

Source: https://en.wiktionary.org/wiki/prognostic