What is "sentimentalising"

Usage examples of "sentimentalising".

I had confined my sentimentalising to that young French-Canadian mother, and her dirty little boy who ate the pea-nut shells.

I protest that it was very dear to me, and that, at the end of a long morning devoted to my office-desk, I have often felt as if I had contributed less to the common cause than I have felt after moralizing or, if you please, sentimentalising half an hour with my friend.