start

[1]	start off/up , begin , commence , get (something) going , get off the ground , originate , initiate , open , set in motion , activate , embark on , set in motion , turn/switch on , crank up , (Colloq) kick off
[2]	start off/up/in , arise , come up , come to be/into being , emerge , crop up , develop , begin , commence , get under way , originate
[3]	start off/up/in , go , leave , depart , get going , move (off/out/on) , get under way , set off/out/forth , (Colloq) hit the road , get the show on the road
[4]	start in , begin , commence , get/start the ball rolling , get things under way , be on one's way , get going
[5]	jump , flinch , blench , quail , shy , recoil , wince , shrink , draw back
[6]	cause to spring/leap/dart/jump/bound
[7]	establish , found , begin , set up , initiate , institute , create , father , give birth to , beget
[8]	bulge , protrude , stick out , (Colloq) (US) bug out
[9]	get down , begin , get , start out , set about , set out , commence
[10]	begin , lead off , commence
[11]	depart , part , start out , set forth , set off , set out , take off
[12]	begin
[13]	originate , initiate
[14]	start up , embark on , commence
[15]	startle , jump
[16]	start up
[17]	go , get going
[18]	take up
[19]	begin
[20]	begin
[21]	protrude , pop , pop out , bulge , bulge out , bug out , come out

[1]	beginning , commencement , first , outset , get-go , kickoff , starting time , showtime , offset
[2]	starting
[3]	startle , jump
[4]	beginning , commencement
[5]	starting line , scratch , scratch line
[6]	starting signal
[7]	head start
[8]	beginning , opening , move
[9]	beginning , commencement , opening , outset , onset , inception , start-up
[10]	beginning(s) , inception , birth , initiation , onset , rise , genesis , creation , emergence , origin
[11]	opportunity , chance , beginning , help , assistance , aid , backing , financing , sponsorship , encouragement , (Colloq) break
[12]	head start , advantage , edge , lead , (Colloq) (the) jump , (US/New Zealand) drop (on someone)
[13]	inauguration , opening , beginning , initiation , (Colloq) kick-off
[14]	beginning(s) , founding , foundation , establishment , inception , birth , origin