From chrestos; usefulness, i.e. Morally, excellence (in character or demeanor) -- gentleness, good(-ness), kindness.
see GREEK chrestos
1. moral goodness, integrity: Romans 3:12 (from Psalm 13:3 2. benignity, kindness: Romans 2:4; 2 Corinthians 6:6; Galatians 5:22; Colossians 3:12; Titus 3:4; ἡ χρηστότης τίνος ἐπί τινα, Romans 11:22 (opposed to ἀποστομια (which see)); Ephesians 2:7. (The Sept.; Euripides, Isaeus, Diodorus, Josephus, Aelian, Herodian; often in Plutarch) (See Trench, Synonyms, § lxiii.)