prognosticator

As a noun prognosticator

is one who prognosticates or makes predictions; one who forecasts or guesses.

As an adjective undefined is

lacking a definition or value.

Diviner is a related term of prognosticator.

As nouns the difference between diviner and prognosticator

is that diviner is one who foretells the future while prognosticator is one who prognosticates or makes predictions; one who forecasts or guesses.

As nouns the difference between futurist and prognosticator

is that futurist is an adherent to the principles of the artistic movement of futurism while prognosticator is one who prognosticates or makes predictions; one who forecasts or guesses.

As an adjective futurist

is in the style of futurism.

As nouns the difference between prognosticator and astrologer

is that prognosticator is one who prognosticates or makes predictions; one who forecasts or guesses while astrologer is one who studies or practices astrology.

As nouns the difference between prognosticator and astronomer

is that prognosticator is one who prognosticates or makes predictions; one who forecasts or guesses while astronomer is one who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics.

As nouns the difference between stargazer and prognosticator

is that stargazer is one who stargazes while prognosticator is one who prognosticates or makes predictions; one who forecasts or guesses.

As nouns the difference between atheist and prognosticator

is that atheist is atheist while prognosticator is one who prognosticates or makes predictions; one who forecasts or guesses.

As nouns the difference between prophet and prognosticator

is that prophet is someone who speaks by divine inspiration while prognosticator is one who prognosticates or makes predictions; one who forecasts or guesses.

As a proper noun Prophet

is any of the prophets mentioned in the Bible, especially an author of one of the Prophets.