Respect owed to one's parents and ancestors.(noun)
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Use "filial piety" in a sentence
"Ninety cities were stormed, or starved, by the Moguls; ten only escaped; and Zingis, from a knowledge of the filial piety of the Chinese, covered his vanguard with their captive parents; an unworthy, and by degrees a fruitless, abuse of the virtue of his enemies."
"As a son, Gen. LEE's filial piety was so marked as to make him an example worthy of all imitation by the youth of his country."
"The Master said, “How far-extending was the filial piety of King Wu and the duke of Chau!"