STRONGS NUMBER G15

From agathopoios; to be a well-doer (as a favor or a duty) -- (when) do good (well).

see GREEK agathopoios

1. to do good, do something which profits others: Mark 3:4 (Tdf. ἀγαθόν ποιῆσαι; Luke 6:9); to show oneself beneficent, Acts 14:17 Rec.; τινα, to do some one a favor, to benefit, Luke 6:33, 35, (equivalent to הַיטִיב, Zephaniah 1:12; Numbers 10:32; Tobit 12:13, etc.).

2. to do well, do right: 1 Peter 2:15, 20 (opposed to ἁμαρτάνω); ; 3 John 1:11. (Not found in secular authors, except in a few of the later in an astrological sense, to furnish a good omen.)