Synonyms and related words :
attack, dive into, enter on, enter upon, fall to, get busy, get cracking, get going, get with it, go to it, hotfoot, hump, hump it, jump to it, launch into, light into, pitch in, pitch into, plunge into, sail into, set about, set at, set to, set to work, shag ass, shake it up, snap to it, start in, step on it, tackle, take on, tear ass, turn to, undertake, wade into