rooted and builded up in him, and established in your faith, even as ye were taught, abounding in thanksgiving.

being rooted and built up in him, and confirmed in the faith, as ye were taught--abounding in it in thanksgiving.

rooted and built up in him, and assured in the faith, even as ye have been taught, abounding in it with thanksgiving.

rooted and built up in Him, established in the faith as you were taught, and overflowing with thankfulness.