well-bred – having or showing politeness and good manners, having been well brought up.
(Pronounced wel-bred)
To remember the definition of the word well-bred, use the following mnemonic:
The well was full of bread (well-bred) but the animals wouldn't take any until they asked politely. They had excellent manners and were clearly well brought up.

Examples of well-bred in a sentence
Despite his background, he was very well-bred.
She thought he was well-bred until she saw how rude he was to the waiter.
They needed someone well-bred to interact with the clients.