recommence - beging again; "we recommenced his reading after a short nap"

strike out - set out on a course of action; "He struck out on his own"

fall - begin vigorously; "The prisoners fell to work right away"

jump off - set off quickly, usually with success; "The freshman set off to a good start in his math class"

get to - arrive at the point of; "She gets to fretting if I stay away form home too long"

auspicate - commence in a manner calculated to bring good luck; "They auspicated the trip with a bottle of champagne"

attack - set to work upon; turn one's energies vigorously to a task; "I attacked the problem as soon as I got out of bed"

break in - start in a certain activity, enterprise, or role

launch, plunge - begin with vigor; "He launched into a long diatribe"; "She plunged into a dangerous adventure"

come on - become available; "water or electricity came on again after the earthquake"

embark, enter - set out on (an enterprise, subject of study, etc.); "she embarked upon a new career"

get moving, get rolling, get started, get weaving, bestir oneself, get cracking, get going - start to be active; "Get cracking, please!"

begin - begin to speak, understand, read, and write a language; "She began Russian at an early age"; "We started French in fourth grade"

go forth, leave, go away - go away from a place; "At what time does your train leave?"; "She didn't leave until midnight"; "The ship leaves at midnight"

lift off, take off - depart from the ground; "The plane took off two hours late"

roar off - leave; "The car roared off into the fog"

blaze out, blaze - move rapidly and as if blazing; "The spaceship blazed out into space"

sally forth, sally out - set out in a sudden, energetic or violent manner