Synonyms for Work on:

n.

hard at it, knee-deep, Hopping, busy, load down, rushed, active, immersed in something, rushed/run off your feet. motivate, convince, spur, prevail on, encourage, prod, dissuade, entice, persuade, urge on. put your back into something, labor, buckle down, overwork, exert yourself, apply yourself, toil. work on (noun)
work, process, work at.

v.

cajole (verb)
entice.
creation (verb)
work, process.
drive (verb)
prod, overwork, spur, encourage, motivate.
importune (verb)
persuade.
sway (verb)
prevail on.

Other synonyms:

Other relevant words:
persuade, motivate.