1.  infiltrate(v = verb.motion) - cause (a liquid) to enter by penetrating the interstices;
is one way to filter, percolate, permeate, sink in
Derived form noun infiltration₂
Sample sentences: Something ----s something

2.  infiltrate(v = verb.social) penetrate - enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor"
is one way to fall in, get together, join
Derived forms noun infiltration₁, noun infiltrator₁
Sample sentences: Somebody ----s something

3.  infiltrate(v = verb.motion) - pass into or through by filtering or permeating; "the substance infiltrated the material"
is one way to filter, percolate, permeate, sink in
Derived form noun infiltration₂
Sample sentences: Something ----s

4.  infiltrate(v = verb.motion) pass through - pass through an enemy line; in a military conflict;
is one way to go across, go through, pass
Derived forms noun infiltration₁, noun infiltrator₂
Sample sentences: Somebody ----s something

1.  To enter by penetrating the pores or interstices of a substance; to filter into or through something. [1913 Webster]
"The water infiltrates through the porous rock." [1913 Webster]

2.  To enter secretly (into an organization, territory, etc.) for hostile purposes, such as spying or sabotage; as, the FBI infiltrated into the U. S. communist party's upper echelons; also used transitively; as, to infiltrate the opponent's organization; to infiltrate one's agents into a hostile country. [PJC]

   To penetrate gradually; -- sometimes used reflexively. J. S. Mill. [1913 Webster]

VB  mix, join, combine, commix, immix, intermix, mix up with, mingle, commingle, intermingle, bemingle, shuffle, pound together, hash up, stir up, knead, brew, impregnate with, interlard, intertwine, interweave, associate with, miscegenate, be mixed, get among, be entangled with, instill, imbue, infuse, suffuse, transfuse, infiltrate, dash, tinge, tincture, season, sprinkle, besprinkle, attemper, medicate, blend, cross, alloy, amalgamate, compound, adulterate, sophisticate, infect.

VB  lie between, come between, get between, intervene, slide in, interpenetrate, permeate, put between, introduce, import, throw in, wedge in, edge in, jam in, worm in, foist in, run in, plow in, work in, interpose, interject, intercalate, interpolate, interline, interleave, intersperse, interweave, interlard, interdigitate, sandwich in, fit in, squeeze in, let in, dovetail, splice, mortise, insinuate, smuggle, infiltrate, ingrain, interfere, put in an oar, thrust one's nose in, intrude, obtrude, have a finger in the pie, introduce the thin end of the wedge, thrust in.

VB  have the entree, enter, go into, go in, come into, come in, pour into, pour in, flow into, flow in, creep into, creep in, slip into, slip in, pop into, pop in, break into, break in, burst into, burst in, set foot on, ingress, burst in upon, break in upon, invade, intrude, insinuate itself, interpenetrate, penetrate, infiltrate, find one's way into, wriggle into, worm oneself into, give entrance to, insert.

VB  moisten, wet, humect, humectate, sponge, damp, bedew, imbue, imbrue, infiltrate, saturate, soak, drench, be moist, not have a dry thread, perspire.

VB  teach, instruct, educate, edify, school, tutor, cram, prime, coach, enlighten, inculcate, indoctrinate, inoculate, infuse, instill, infix, ingraft, infiltrate, imbue, impregnate, implant, graft, sow the seeds of, disseminate, given an idea of, put up to, put in the way of, set right, sharpen the wits, enlarge the mind, give new ideas, open the eyes, bring forward, teach the young idea how to shoot, improve, expound, lecture, read a lesson, give a lesson, give a lecture, give a sermon, give a discourse, incept, hold forth, preach, sermonize, moralize, point a moral, train, discipline, bring up, bring up to, form, ground, prepare, qualify, drill, exercise, practice, habituate, familiarize with, nurture, drynurse, breed, rear, take in hand, break, break in, tame, preinstruct, initiate, inure, put to nurse, send to school, direct, guide, direct attention to, impress upon the mind, impress upon the memory, beat into, beat into the head, convince, book, workbook, exercise book, preach to the wise, teach one's grandmother to suck eggs, teach granny to suck eggs, preach to the converted.