gentleman
US /ˈdʒen.t̬əl.mən/
UK /ˈdʒen.t̬əl.mən/

1.
a man of good family and social position
:
•
He was a true gentleman, always polite and respectful.
•
The club is open to all gentlemen and ladies.
2.
a polite or chivalrous man
:
•
He opened the door for her, a true gentleman.
•
Always be a gentleman, even in difficult situations.