That permeates and spreads, or tends to permeate and spread, through every interstice, pore, or part.
The Century Dictionary (Public Domain)
Use "permeative" in a sentence
"I, being then a permeative Fabian on the executive of the"
"His touch had not been precisely permeative when it came to the world, Ian Rullock."
"But she came in the authority and integrity of herself, that was also, most dearly, most marvelously, himself as well -- permeative, penetrative, real, a subtle breath named"