Expressing encouragement, see come on.
Expressing that the speaker can continue speaking without interruption from the listener.
Expressing surprise, disbelief or incredulity.
To proceed.
To use and adopt (information) in order to understand an issue, make a decision, etc.
To happen (occur).
To continue an action.
To continue in extent.
I think I've said enough now; I'm not sure I should go on.
To talk about a subject frequently or at great length.
An expression of encouragement, chiefly for a girl or woman.