We don't have synonyms for occultations yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are occultation, occupations and accultation.
(n) :
(astronomy) An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object.
(n) :
The state of being occult (“hidden, undetected”).
(n) :
(Shia Islam) The disappearance of the Twelfth Imam, or Mahdi, who is believed alive and present in this world, but hidden until his reappearance at the end of time.
(n) :
(astronomy) An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object.
(n) :
The state of being occult (“hidden, undetected”).
(n) :
(Shia Islam) The disappearance of the Twelfth Imam, or Mahdi, who is believed alive and present in this world, but hidden until his reappearance at the end of time.