reformatio

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

rĕformātio, ōnis, f. [reformo], a transformation (very rare).

I Lit., of a metamorphosis into an ass, Ap. Met. 3, 24, 15; cf. id. ib. 11, 13, 20. —

II Trop. and pregn., a reformation : morum, Sen. Ep. 58, 26.