resipiscence

noun2

1. •
   (literary) Recognition of one or more past mistakes, especially with a desire to improve in the future; repentance; (countable) an instance of this.

   • [R]ecollect your conduct past, / That resipisc[e]nce may at last / Effectuate a change. — 1796
2. •
   (literary) The act of becoming comprehending, reasonable or responsible, especially after having behaved in an uncomprehending, unreasonable, or irresponsible manner; the act of coming to one's senses; (countable) an instance of this.

   • All this is, Busner thinks, still inadequate to the task of expressing the quality of her resipiscence – a return to good health of a miraculous nature. — 2012