penitential

It also marks the beginning of the penitential Lenten season.

In the eyes of the German public, Stadler's guilty plea did not look particularly penitential.

The prayer service, known as a penitential rite and required by Canon law, was led by the basilica's archpriest, Cardinal Mauro Gambetti.

The Vatican said that the text, issued eight months after the pope’s “penitential journey to Canada,” reaffirmed the church’s “rejection of the colonizing mentality.”

I suppose it’s possible Trump could enjoy some time in penitential seclusion, depending on sentencing if convicted, but I wouldn’t bet the family goat on it.