Synonyms for Abet:

n.

befriend, get through, help out, get behind, give, nurse, approve, guide. forward, inspire. boost, give a leg up. abet (noun)
assist, aid, help, support, encourage.

v.

aid (verb)
encourage, support, attend, benefit, tend, assist, endow, sustain, facilitate, help, fund, mother, motivate, foster, serve, relieve, aid, minister.
assist (verb)
back, avail, succor, uphold, favor.
assist, help in wrongdoing (verb)
back, support, encourage.

Other synonyms:

boost. assist
facilitate, give a leg up.
support
back, support.
Other relevant words:
befriend, inspire, help out, boost, approve, give a leg up, forward.