on
adverb()
with a forward motion
Examples:
We drove along admiring the view.
The horse trotted along at a steady pace.
The circus traveled on to the next city.
Move along.
March on.
on
adjective()
in operation or operational
Examples:
Left the oven on.
The switch is in the on position.
on
()
(of events) planned or scheduled
Examples:
The picnic is on, rain or shine.
We have nothing on for Friday night.