goes toe to toe with (verb) take on: challenge, oppose
Sinonime: become member, begin,
commence, commit oneself,
enlist,
enroll, get oneself into, inaugurate,
join, join up, lead off,
muster*, open, participate in, set about, set out on, set to, sign on, sign up, start, subscribe, take up, tee off
Antonime: abstain,
forget,
refrain, stop