Abbott-Smith Manual Greek Lexicon
ἀγαθωσύνη (G19)
4 † ἀγαθωσύνη (on the termination, v.s. ἁγιότης , and cf. WH, App ., 152; MM, VGT , s.v.), -ης, ἡ ( ἀγαθός ), [in LXX for טוֹבָה , טוֹב , טוּב , only in Heb. bks. ;] goodness (representing "the kindlier, as δικαιοσύνη , the sterner element in the ideal character," AR, Eph., 5:9 ; on its relation to χρηστότης , v. Tr., Syn ., §lxiii): Ro 15:14 , Ga 5:22 , II Th 1:11 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain