purgatorial

adjective2

1. •
   Of, pertaining to, or resembling purgatory.

   • At the same time, [the three bishops] emitted a summary confession of their faith […] that there is no purgatorial state after this life […] — 1784
2. •
   That purifies by removing sin; expiatory.

   • Often […] exile is conceived as a purgatorial experience which the West Indian must undergo in order to know himself. — 1970