Synonyms for Come On (same or very similar meaning)
WordNet sense 1 (move towards):
approach, near, come near, draw close, go up, draw nearWordNet sense 2 (start running, functioning, or operating):
go on, come upWordNet sense 3 (appear or become visible; make a showing):
surface, come out, show up, turn upWordNet sense 4 (develop in a positive way):
advance, progress, progress, get on, get along, come alongFrom the ODE community, based on WordNetadd/edit