The Collaborative International Dictionary of English v.0.48:
Supersaturate \Su`per*sat"u*rate\, v. t.
To add to beyond saturation; as, to supersaturate a solution.
Moby Thesaurus II by Grady Ward, 1.0:
39 Moby Thesaurus words for "supersaturate":
allay, choke, cloy, congest, cram, crowd, drench, engorge, fill,
fill up, glut, gluttonize, gorge, jade, jam, jam-pack, overburden,
overcharge, overdose, overfeed, overfill, overgorge, overlade,
overload, oversaturate, overstuff, overweight, pack, pall, sate,
satiate, satisfy, saturate, slake, soak, stuff, supercharge,