Synonyms of infiltration

Noun

1. infiltration, penetration, incursion

usage: a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)

2. percolation, infiltration, filtration

usage: the slow passage of a liquid through a filtering medium; "the percolation of rainwater through the soil"; "the infiltration of seawater through the lava"

Definition and meaning of infiltration (Dictionary)