* Positive: "The niceness of her gesture really touched me."
* Negative: "He was so focused on his own problems that he couldn't see the niceness of her offer."
* Neutral: "The niceness of the weather made it a perfect day for a picnic."
* Descriptive: "Her niceness was genuine and heartwarming."
* Comparative: "The niceness of the handmade gifts surpassed the store-bought ones."
* Irony: "His niceness was a facade, masking his true intentions."
The meaning of "niceness" can vary depending on the context. It can refer to kindness, generosity, pleasantness, or even something simply agreeable.