“That sounds lovely!”

The answer to this crossword question is the phrase “HOWNICE.” This phrase can be interpreted as a response to someone’s statement about something that sounds lovely or pleasant. The word “how” in this context can be seen as an indicator of degree or extent, implying that whatever has been described is particularly nice. The word “nice” is a common adjective used to describe positive qualities or feelings, and so the combination “how nice” serves as a way to express approval or appreciation for something. Overall, “That sounds lovely!” is an expression of positive sentiment, to which “HOWNICE” would be an appropriate response.