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Webster 1913 Edition
Penitence
Pen′i-tence
,Noun.
 The quality or condition of being penitent; the disposition of a penitent; sorrow for sins or faults; repentance; contrition. 
“Penitence of his old guilt.” Chaucer.
 Death is deferred, and 
To mitigate, if not reverse, the doom.
penitenance 
has roomTo mitigate, if not reverse, the doom.
Dryden.
Syn. – Repentance; contrition; compunction.