"start" en el diccionario Collins English Cobuild & Thesaurus

start
vb

1 appear, arise, begin, come into being, come into existence, commence, depart, first see the light of day, get on the road, get under way, go ahead, hit the road (informal) issue, leave, originate, pitch in (informal) sally forth, set off, set out

2 activate, embark upon, engender, enter upon, get going, get (something) off the ground (informal) get the ball rolling, initiate, instigate, kick off (informal) kick-start, make a beginning, open, originate, put one's hand to the plough (informal) set about, set in motion, set the ball rolling, start the ball rolling, take the first step, take the plunge (informal) trigger, turn on

3 begin, create, establish, father, found, inaugurate, initiate, institute, introduce, launch, lay the foundations of, pioneer, set up

4 blench, flinch, jerk, jump, recoil, shy, twitch
n

5 beginning, birth, commencement, dawn, first step(s), foundation, inauguration, inception, initiation, kickoff (informal) onset, opening, opening move, outset

6 advantage, edge, head start, lead

7 backing, break (informal) chance, helping hand, introduction, opening, opportunity, sponsorship

8 convulsion, jar, jump, spasm, twitch

Antonyms
, vb

1, 2 & 3 abandon, bring to an end, call it a day (informal) cease, conclude, delay, desist, end, finish, give up, put aside, put off, quit, stop, switch off, terminate, turn off, wind up
n

5 cessation, conclusion, dénouement, end, finale, finish, outcome, result, stop, termination, turning off, wind-up