'Discern' in the Bible

I am presently eighty years old. Am I able to discern good and bad? Can I taste what I eat and drink? Am I still able to hear the voices of male and female singers? Why should I continue to be a burden to my lord the king?

Is there any falsehood on my lips? Can my mouth not discern evil things?

To learn wisdom and moral instruction, and to discern wise counsel.

To discern the meaning of a proverb and a parable, the sayings of the wise and their riddles.

You who are naive, discern wisdom! And you fools, understand discernment!

The wisdom of the shrewd person is to discern his way, but the folly of fools is deception.

So I decided to discern the benefit of wisdom and knowledge over foolish behavior and ideas; however, I concluded that even this endeavor is like trying to chase the wind!

They do not comprehend or understand, for their eyes are blind and cannot see; their minds do not discern.

Tell them: 'Hear this, you foolish people who have no understanding, who have eyes but do not discern, who have ears but do not perceive:

Who is wise? Let him discern these things! Who is discerning? Let him understand them! For the ways of the Lord are right; the godly walk in them, but in them the rebellious stumble.

But solid food is for the mature, whose perceptions are trained by practice to discern both good and evil.