We don't have synonyms for catalepsis yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are catalysis, catalepsy and paralepsis.
(n) :
Dated form of catalepsy. [(pathology) A severe bodily condition, described in psychiatric pathology, marked by sudden rigidity, fixation of posture, and loss of contact with environmental conditions.]
(n) :
Dated form of catalepsy. [(pathology) A severe bodily condition, described in psychiatric pathology, marked by sudden rigidity, fixation of posture, and loss of contact with environmental conditions.]