Basis for astrologer's life predictions (9)

I believe the answer is:

horoscope

(Other definitions for horoscope that I've seen before include "Forecast of fortune" , "An astrological forecast" , "Astrologer's prediction" , "Forecast of a person's future based on the heavens" , "Prediction based on one's star sign" .)

I've seen this clue in the Sydney Morning Herald.

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