'Discreet' in the Bible

but hospitable, a lover of goodness, discreet, just, pious, temperate,

that the elder men be sober, grave, discreet, sound in faith, in love, in patience;

To be discreet, chaste, keepers at home, good, obedient to their own husbands, that the word of God be not blasphemed.

The younger men in like manner exhort to be discreet:

It teaches us to reject ungodliness and worldly (immoral) desires, and to live sensible, upright, and godly lives [lives with a purpose that reflect spiritual maturity] in this present age,