Noun
righteousness by virtue of being pious
Source: WordNetBorchert (2011), 149 By contrast the inscriptions on his public, formal religious commissions are written from the point of view of the patron, and there to underscore his piousness, charity and dedication to the saint who he is shown accompanying. Source: Internet
Louis sided with Becket as much to damage Henry as out of piousness – yet even he grew irritated with the stubbornness of the archbishop, asking when Becket refused Henry's conciliations, "Do you wish to be more than a Saint?" Source: Internet
He became known for his piousness, devotion to God, and generosity towards the sick and poor. Source: Internet