Abbott-Smith Manual Greek Lexicon
βελτίων (G957)
2 βελτίων , -ον (gen. -ονος ), comp. of ἀγαθός , [in LXX chiefly for טוֹב ;] neut. as adv. , better , very well : II Ti 1:18 (also Ac 10:28 D). On elative use in these passages, v. M, Pr. , 78, 236.†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain