When my friend opened the car door, the courtesy light came on and I used it to check the map.

The courtesy clerk quickly packed my groceries while I loaded them into the car.

During the holiday rush, the courtesy clerks fetched stray shopping carts, welcomed every customer with a smile, and efficiently bagged groceries.

Before entering the ballroom, she decided to courtesy as tradition demanded.

The novelist portrayed the enigmatic courtezan with a mix of admiration and pity.