Antonyms for Terminate (opposite meaning)
WordNet sense 1 (have a beginning, in a temporal, spatial, or evaluative sense):
begin, start
WordNet sense 2 (engage or hire for work):
hire
WordNet sense 3 (set in motion, cause to start):
commence, lead off
WordNet sense 4 (take the first step or steps in carrying out an action):
get, set about, get down, set out, start out
From the ODE community, based on WordNet
add/edit