Real; actual; serious; as in the phrases in good earnest; in good sooth.
Not small, insignificant, or of no account; considerable; esp., in the phrases a good deal, a good way, a good degree, a good share or part, etc.
Not blemished or impeached; fair; honorable; unsullied; as in the phrases a good name, a good report, good repute, etc.
no technical blemishes, cosmetics noted
appealing to the mind; "good music"; "a serious book"