go on (3)
Meaning: If something like a light or a heater goes on, it starts operating.Synonym: come on
- go on The light in the refrigerator isn't on all the time. It goes on when you open the door.
- go on The air conditioner goes on automatically at 7 a.m., so the office is at a comfortable temperature by the time we get there.
The street lights go on at 6 o'clock, so at 5.30 they