Sentence:  “It's lying you are!” said Gerald, and then, peering at her stricken face, he added in a burst of <WSD>kindliness</WSD>: “I'm sorry, daughter.  But after all, you are nothing but a child and there's lots of other beaux.” 
Meaning of the word marked with <WSD> tags:  The state of feeling kindly towards someone or something, or the actions inspired thereby.