Go On Meaning

Example: Used other than as an idiom: see go,‎ on.
  In order to get to town, I decided to go on the bus
  The party's called for five o'clock, and the cutlery still needs to go on the table!
To continue in extent.
  The meeting seemed to go on forever.
To continue an action.
  I think I've said enough now; I'm not sure I should go on.
  He went on walking even when the policeman told him to stop.
To proceed.
  He went on to win a gold medal.
1960, P. G. Wodehouse, Jeeves in the Offing, chapter III:
  [...] while not a super-goof like some of the female goofs I'd met, she was quite goofy enough to be going on with.
To talk about a subject frequently or at great length.
  Will you stop going on about your stupid holiday.
2002, Jane Green, Bookends, 2003 trade paperback edition, ISBN 0767907817, page 67:
  "I don't believe you." I shake my head. "How on earth did you remember that? I must have told you years ago." […]
  "First of all, you go on about it far more than you think you do, […] ."
To use and adopt (information) in order to understand an issue, make a decision, etc.
  We can't go on what this map says; it's twenty years out of date.
  I didn't make a decision because I didn't have anything to go on.
To happen (occur).
  What's going on?!
  I really don't want to know what goes on between you and your boyfriend behind closed doors.