Albert Barnes on Colossians 2:5

For though I be absent in the flesh, yet am I with you in the spirit. That is, I seem to see you; I feel as if I were there, and were looking upon you; and I have the same solicitude as if I were there, and saw all the danger which exists that your beautiful order and harmony should be disturbed by the influence of false philosophy. 1Cor 5:3. The word "spirit" here does not refer to the Holy Spirit, or to any inspiration by which the apostle was enabled to see them; but it is equivalent to what we mean when we say, "My heart is with you. He seemed to be beholding them.

Joying and beholding your order. That is, I rejoice as if I saw your order. He had such confidence that everything would be done among them as became Christians, that he could rejoice as if he actually saw it.