Turn

To change and become smth else

To stop and return the way you came

To appear

To start

To stop

To increase the amount of sound or heat

Water turns ... steam at 100 C.

Don’t worry, your pen will turn ... somewhere.

They offered to pay for me but I turned them ... politely.

We won’t make it to the city in time before the nightfall! We have to turn ...!

She turned ...to be a very understanding person.

Can we turn ... the air conditioner, please? I'm boiling!