Sentence:  ‘The Irish were awful anyway,' Lady Wolseley said, ‘and their not attending the season should be greeted with relief. The dreary matrons dragging their dreary daughters about the place and <WSD>dinnering</WSD> up every possible partner for them. The truth is that no one wants to marry their daughters, no one at all.' 
Meaning of the word marked with <WSD> tags:  To provide (someone) with a dinner.