From Longman Dictionary of Contemporary Englishpietypi‧e‧ty /ˈpaɪəti/ noun [uncountable] GOOD/MORALwhen you behave in a way that shows respect for your religion → pious an act of Christian piety
Examples from the Corpus
piety• Next came the inaugural luncheon and a new round of insincere bipartisan pieties.• They lived under constant threat of exposure and extermination at the hands of the Inquisition, which monitored Christians' piety.• Within families filial piety was the keystone of morality and it led logically to an absolute obedience to the household head.• Nu might have been a village schoolmaster, or a teller of tales, respected for his piety.• In this strange mix of piety and bawdiness, they directly recall the world of Dargah Quli Khan and the Muraqqa'-e-Dehli.• Isabella never let her own piety give her simple ease.• I approve the deadly seriousness, the piety, the need for something sacred in your life.• It was a city where piety and the hard sell met.Origin piety (1300-1400) French piété, from Latin pietas, from pius; → PIOUS 