Definition #1: “Piety is doing as I am doing.”
Definition #2: “Piety is which is dear to the gods.”
Definition #3: “What all the gods hate is impious, and what they love pious and holy.”
Definition #4: “Piety or holiness, Socrates, appears to me to be that part of justice which attends to the gods.”
Definition #5: “Piety is learning how to please the gods in word and deed, by prayers and sacrifices.”
Definition #6: “Piety is that part of justice which attends to the gods, and there is the other part of justice which attends to men.”
Definition #7: “Piety is what is dear to the gods.”
In spiritual terminology, piety is a virtue. While different people may understand its meaning differently, it is generally used to refer to religious devotion or to spirituality, or often a combination of both. A common element in most conception of piety is humility.