Synonyms for Horoscopy:

n.

divination (noun)
Occultism, augury, palmistry.
magic (noun)
witchcraft, wizardry, devilry, diabolism, astrology, sorcery.
sorcery (noun)
Divining, Occultism, wizardry, sorcery, demonism, diabolism, witchcraft, magic, fortune telling, satanism, augury, necromancing, palmistry, astrology, clairvoyance, devilry.

Other synonyms:

Other relevant words:
astrology.