We don't have synonyms for sortilege yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sortilegy, fortilage and sortileger.
(n) :Witchcraft, magic, especially as a means of making decisions or predictions
"1819: We have therefore summoned to our presence a Jewish woman, by name Rebecca, daughter of Isaac of York -- a woman infamous for sortileges and for witcheries -- Walter Scott, Ivanhoe"
(n) :Witchcraft, magic, especially as a means of making decisions or predictions
"1819: We have therefore summoned to our presence a Jewish woman, by name Rebecca, daughter of Isaac of York -- a woman infamous for sortileges and for witcheries -- Walter Scott, Ivanhoe"