THESAURUS
Begin
arise, attack, blast away, blast off, broach, commence, create, dig in, dive in, embark, enter, enter on, enter upon, establish, fall to, found, get off, get to, go ahead, go into, head into, inaugurate, initiate, institute, introduce, jump off, kick off, launch, lead off, open, originate, pitch in, plunge into, prepare, send off, set about, set in, set out, set sail, set to, set up, spring, start, start in, start off, start out, tackle, take off, take up, turn to, usher in
ROGET THESAURUS
Begin
Beginning
VB
begin, start, commence, conceive, open, dawn, set in, take its rise, enter upon, enter, set out, embark in, incept, initiate, launch, inaugurate, inchoate, rise, arise, originate, usher in, lead off, lead the way, take the lead, take the initiative, head, stand at the head, stand first, stand for, lay the foundations, found, set up, set on foot, agoing, set abroach, set the ball in motion, apply the match to a train, broach, open up, open the door to, get underway, set about, get to work, set to work, set to, make a beginning, make a start, handsel, take the first step, lay the first stone, cut the first turf, break ground, break the ice, break cover, pass the Rubicon, cross the Rubicon, open fire, open the ball, ventilate, air, undertake, come into existence, come into the world, make one's debut, take birth, burst forth, break out, spring up, spring forth, crop up, pop up, appear, materialize, begin at the beginning, begin ab ovo, begin again, begin de novo, start afresh, make a fresh start, take it from the top, shuffle the cards, reshuffle the cards, resume, recommence.