Synonyms for Prod (same or very similar meaning)
WordNet sense 1 (a verbalization that encourages you to attempt something):
goad, spur, goading, prodding, spurring, urging
WordNet sense 2 (to push against gently):
nudge, poke at
WordNet sense 3 (urge on; cause to act):
incite, egg on
WordNet sense 4 (poke or thrust abruptly):
dig, jab, poke, stab
From the ODE community, based on WordNet
add/edit