1. It is important to be courteous to others, especially when in a public setting.
2. The waiter was courteous and made sure all our needs were met during our dinner.
3. The professor was always courteous to his students, answering questions and providing feedback in a respectful manner.
4. It is courteous to hold the door open for someone behind you when entering a building.
5. The receptionist greeted everyone with a smile and a courteous hello.
6. The airline staff were courteous and helpful in assisting passengers with their luggage.
7. It is courteous to thank someone when they do something nice for you.
8. The new employee made a point to be courteous to everyone in the office, making a good impression on her colleagues.
9. Being courteous in traffic can help prevent road rage and accidents.
10. The hotel staff were always courteous and went out of their way to make their guests feel comfortable.