Well-mannered (adjective)

Having good manners, polite and courteous in behavior.

Origin:

A combination of 'well' and 'mannered', which means to behave in a polite and appropriate manner.

Examples:

1. She was a well-mannered lady, always using polite words and doing the right thing.
2. The guests were all well-mannered and left the table without making a mess.
3. He was well-mannered and held the door open for the elderly woman.
4. The well-mannered child said please and thank you every time he was given something.
5. The hostess appreciated her well-mannered guests, who arrived on time and left the party quietly.