'Discreet' in the Bible

But keep alert at all times [be attentive and ready], praying that you may have the strength and ability [to be found worthy and] to escape all these things that are going to take place, and to stand in the presence of the Son of Man [at His coming].”

The overseer then must be irreproachable, husband of one wife, sober, discreet, decorous, hospitable, apt to teach;

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,