X better, fair, good(-ly), honest, meet, well, worthy

Concise Bible Dictionary:

These words in the New Testament are not confined to trustworthiness, as the words are now commonly understood; but extend to any honorable conduct (Luke 8:15; Rom. 12:17; 2 Cor. 8:21; 2 Cor. 13:7; Phil. 4:8; 1 Tim. 2:2; Heb. 13:18; 1 Pet. 2:12).

Strong’s Dictionary of Greek Words:

Greek:
καλός
Transliteration:
kalos
Phonic:
kal-os’
Meaning:
of uncertain affinity; properly, beautiful, but chiefly (figuratively) good (literally or morally), i.e. valuable or virtuous (for appearance or use, and thus distinguished from 18, which is properly intrinsic)
KJV Usage:
X better, fair, good(-ly), honest, meet, well, worthy