Synonyms for infiltrate

Verb

1. infiltrate, percolate, sink in, permeate, filter

usage: cause (a liquid) to enter by penetrating the interstices

2. infiltrate, penetrate, join, fall in, get together

usage: enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor"

3. infiltrate, percolate, sink in, permeate, filter

usage: pass into or through by filtering or permeating; "the substance infiltrated the material"

4. infiltrate, pass through, pass, go through, go across

usage: pass through an enemy-line; in a military conflict