WordNet (r) 3.0 (2006):

pass through
    v 1: make a passage or journey from one place to another; "The
         tourists moved through the town and bought up all the
         souvenirs;" "Some travelers pass through the desert" [syn:
         transit, pass through, move through, pass across,
         pass over]
    2: cause to move through; "Pass a chemical through a solution"
    3: pass through an enemy line; in a military conflict [syn:
       infiltrate, pass through]

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "pass through":
   be exposed to, be subjected to, course, cover, do, encounter,
   endure, experience, feel, gain entree, get into, get through,
   go over, go through, have, interpenetrate, know, labor under,
   make an entrance, make way into, measure, meet, meet up with,
   meet with, overpass, pass over, patrol, pay, penetrate,
   perambulate, peregrinate, pererrate, pierce, ply, range,
   range over, reconnoiter, run up against, scour, scour the country,
   scout, spend, stand under, suffer, sustain, sweep, taste, track,
   transit, travel over, travel through, traverse, undergo, voyage