(gentlemen)
Frequency: The word is one of the 3000 most common words in English.
1.
A ~ is a man who comes from a family of high social standing.
...this wonderful portrait of English ~ Joseph Greenway.
N-COUNT
2.
If you say that a man is a ~, you mean he is polite and educated, and can be trusted.
He was always such a ~.
N-COUNT
3.
You can address men as gentlemen, or refer politely to them as gentlemen.
This way, please, ladies and gentlemen...
It seems this ~ was waiting for the doctor.
N-COUNT; N-VOC politeness