Chivalrous (adjective)

Having the qualities of a perfect gentleman, such as courage, honor, and courtesy.

Origin:

From old french chevalerie, from chevalier "knight".

Examples:

1. He was chivalrous and opened the door for her.
2. Chivalrous behavior is a sign of respect and honor.
3. He was chivalrous and carried her bag for her.
4. The chivalrous knight rode off to save the damsel in distress.
5. His chivalrous actions impressed the entire court.