However, you can try these options:
Focusing on politeness:
* As smooth as silk (emphasizes gentle and agreeable demeanor)
* Like a gentle breeze (suggests a soothing and unassuming manner)
* As warm as a summer day (implies a welcoming and friendly attitude)
Focusing on respectfulness:
* As respectful as a diplomat (highlights careful and thoughtful behavior)
* Like a seasoned host (implies knowledge and expertise in social etiquette)
* As considerate as a good neighbor (emphasizes thoughtfulness and attentiveness)
Ultimately, the best simile depends on the specific context and the nuance you want to convey.