0 said to encourage someone to do something, especially to hurry or try harder -- andiamo!, forza!, dai!, via
Come on – the taxi’s waiting. Via – il taxi sta aspettando.
1 to appear on stage or the screen -- entrare in scena
They waited for the comedian to come on.
2 hurry up! -- andiamo!, su!
Come on – we’ll be late for the party!
3 don’t be ridiculous! -- andiamo!