Sila is the Pali word that means Morality. Sila is usually considered to be the middle factors of the Noble Eightfold Path, Right Speech, Right Action, Right Livelihood. Morality. Virtue. Keeping to high principles. This is Sila. But in order to have Sila, Morality, one has to have Right Understanding and Right Intention proceeding it, otherwise we don't know what is Right Speech or Wrong Speech, Right Action or Wrong Action, Right Livelihood or Wrong Livelihood.