1. to be set in
2. set in
Evening had set in before we reached our destination.
Evening set in as we took the road over the desert.
The rain seems to have set in
I think this rain has set in for the day
The film is set in 18th-century New England.
I think the rain has set in fot the day
I think the rain has set in for the day
The infection set in my body.
The rain seems to have set in.
The rain seemed to have set in for the day.
Suddenly, the silence has set in.
We'll need winter coats now that the cold weather has set in.
This rain looks as if it has set in for the rest of the day.
he set in So quickly