THESAURUS
Immerse
absorb, absorb the attention, arrest, asperge, asperse, baptize, bury, busy, catch, charm, christen, deluge, dip, douse, drown, duck, dunk, enchant, engage, engage the attention, engage the mind, engage the thoughts, engross, engross the mind, engross the thoughts, engulf, enthrall, exercise, fascinate, grab, grip, hold, hold spellbound, hold the interest, hypnotize, immerge, inundate, involve, involve the interest, merge, mesmerize, monopolize, obsess, occupy, occupy the attention, overwhelm, plunge, plunge in water, preoccupy, saturate, sink, soak, souse, spellbind, sprinkle, submerge, submerse, take up, whelm
ROGET THESAURUS
Immerse
Insertion
VB
insert, introduce, intromit, put into, run into, import, inject, interject, infuse, instill, inoculate, impregnate, imbue, imbrue, graft, ingraft, bud, plant, implant, dovetail, obtrude, thrust in, stick in, ram in, stuff in, tuck in, press, in, drive in, pop in, whip in, drop in, put in, impact, empierce, imbed, immerse, immerge, merge, bathe, soak, dip, plunge, bury, insert itself, lodge itself, plunge in medias res.
Plunge
VB
plunge, dip, souse, duck, dive, plump, take a plunge, take a header, make a plunge, bathe, submerge, submerse, immerse, douse, sink, engulf, send to the bottom, get out of one's depth, go to the bottom, go down like a stone, drop like a lead balloon, founder, welter, wallow.
Water
VB
be watery, reek, add water, water, wet, moisten, dilute, dip, immerse, merge, immerge, submerge, plunge, souse, duck, drown, soak, steep, macerate, pickle, wash, sprinkle, lave, bathe, affuse, splash, swash, douse, drench, dabble, slop, slobber, irrigate, inundate, deluge, syringe, inject, gargle.