Good in Scripture is that which accomplishes God’s purpose.

They are all gone aside, they are all together become filthy: there is none that doeth good, no, not one. Psalm 14:3

And we know that all things work together for good to them that love God, to them who are the called according to his purpose. Romans 8:28

The young lions do lack, and suffer hunger: but they that seek the LORD shall not want (lack) any good thing. Psalm 34:10

…let the word of Christ dwell (take up its life) in you richly…