1. go on - Verb
2. go on - Interjection
move forward, also in the metaphorical sense
continue talking
come to pass
start running, functioning, or operating
continue a certain state, condition, or activity
Source: WordNetgo-on
Time marches on Source: Internet
`I know it's hard', he continued, `but there is no choice' Source: Internet
carry on--pretend we are not in the room Source: Internet
What is happening? Source: Internet
The meeting took place off without an incidence Source: Internet
Nothing occurred that seemed important Source: Internet