interpenetrate

To penetrate mutually or reciprocally.

To permeate or pervade.

It interpenetrates my granite mass, / Through tangled roots and trodden clay doth pass, / Into the utmost leaves and delicatest flowers; [...]

[O]ur Religion is not yet a horrible restless Doubt, still less a far horribler composed Cant; but a great heaven-high Unquestionability, encompassing, interpenetrating the whole of Life.