NET
2 Do not be conformed to this present world, but be transformed by the renewing of your mind, so that you may test and approve what is the will of God—what is good and well-pleasing and perfect.
Darby
2 And be not conformed to this world, but be transformed by the renewing of [your] mind, that ye may prove what [is] the good and acceptable and perfect will of God.
KJV
2 And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what [is] that good, and acceptable, and perfect, will of God.