ἀγαθωσύνη, (ης, ἡ (on its formation see Winers Grammar, 95 (90); WHs Appendix, p. 152), found only in Biblical and ecclesiastical writings, uprightness of heart and life (A. V. goodness): 2 Thessalonians 1:11; Galatians 5:22 (unless here it denote kindness, beneficence); Romans 15:14; Ephesians 5:9. (Cf. Trench, § lxiii.; Ellicott and Lightfoot on Galatians, the passage cited.)
Romans 15:14 - N-GFS GRK:μεστοί ἐστε ἀγαθωσύνης πεπληρωμένοι πάσης NAS: are full of goodness, filled KJV: are full of goodness, filled with all INT: full are of goodness being filled with all
Ephesians 5:9 - N-DFS GRK:ἐν πάσῃ ἀγαθωσύνῃ καὶ δικαιοσύνῃ NAS: [consists] in all goodness and righteousness KJV: [is] in all goodness and righteousness INT: in all goodness and righteousness
2 Thessalonians 1:11 - N-GFS GRK:πᾶσαν εὐδοκίαν ἀγαθωσύνης καὶ ἔργον NAS: desire for goodness and the work KJV: the good pleasure of [his] goodness, and INT: every good pleasure of goodness and work