Smoothly

The rocket went up smoothly.

This car is running less smoothly than it used to.

This zipper doesn't zip smoothly.

The affair ran more smoothly than we expected.

The work progressed smoothly.

Steam locomotives run less smoothly than electric trains.

Everything went smoothly.

A good mediator can make a deal go smoothly.

His knowledge of Chinese enables us to carry out our plan smoothly.

His life ran smoothly.

talk smoothly

The plans didn't go/run as smoothly as we'd hoped.

The engine runs smoothly on diesel.