καλοποιέωkalopoiéō, kal-op-oy-eh'-o; from G2570 and G4160; to do well, i.e. live virtuously:—well doing.
Thayer's Greek Lexicon
[?](Jump to Scripture Index)
STRONGS G2569:
καλοποιέω, καλοποιῶ; (equivalent to καλῶςποιῶ, cf. Lob. ad Phryn., p. 199f (Winers Grammar, 25)); to do well, act uprightly: 2 Thessalonians 3:13. (Etym. Magn. 189, 24; (Leviticus 5:4Ald. (as quoted in) Philo de somn. l. ii. § 44).)