THESAURUS
permeation
brewing, decoction, diffusion, drench, drenching, ducking, dunking, imbruement, imbuement, impregnation, infiltration, infusion, injection, instillation, instillment, interpenetration, leaching, lixiviation, maceration, marination, overrunning, overspreading, overswarming, penetration, percolation, pervasion, pulping, saturation, seething, soak, soakage, soaking, sopping, souse, sousing, steeping, suffusion, transfusion
ROGET THESAURUS
permeation
Presence
N
presence, occupancy, occupation, attendance, whereness,
permeation, pervasion, diffusion, ubiety, ubiquity, ubiquitariness, omnipresence, bystander, present, occupying, inhabiting, moored, resiant, resident, residentiary, domiciled, ubiquitous, ubiquitary, omnipresent, universally present, peopled, populous, full of people, inhabited, here, there, where, everywhere, aboard, on board, at home, afield, here there and everywhere, in presence of, before, under the eyes of, under the nose of, in the face of, in propria persona, on the spot, in person, in the flesh, nusquam est qui ubique est.
Interposition
N
interposition, interjacence, intercurrence, intervenience, interlocation, interdigitation, interjection, interpolation, interlineation, interspersion, intercalation, interpenetration,
permeation, infiltration, intervention, interference, intrusion, obtrusion, insinuation, insertion, dovetailing, embolism, intermediary, intermedium, go between, bodkin, intruder, interloper, parenthesis, episode, flyleaf, partition, septum, diaphragm, midriff, dissepiment, party wall, panel, room divider, halfway house, interjacent, intercurrent, intervenient, intervening, intermediate, intermediary, intercalary, interstitial, embolismal, parenthetical, episodic, mediterranean, intrusive, embosomed, merged, between, betwixt, twixt, among, amongst, amid, amidst, mid, midst, in the thick of, betwixt and between, sandwich-wise, parenthetically, obiter dictum.
Passage
N
passage, transmission,
permeation, penetration, interpenetration, transudation, infiltration, endosmose exosmose, endosmosis, intercurrence, ingress, egress, path, conduit, opening, journey, voyage, passing, intercurrent, endosmosmic, endosmotic, en passant.