The most appropriate synonym of the given word chivalrous is polite.
- Chivalrous means "having or showing the qualities of a knight, especially in being brave, courteous, and devoted to women."
- Polite means "having or showing good manners and respect for others."
- Aggravate means "to make (something bad) worse."
- Decrease means "to make or become less in size, amount, or degree."
- Moderate means "not extreme or excessive."
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