Sentence:  Newest on the list <WSD>are</WSD> John Ciardi , W. D. Snodgrass , I. A. Richards , Oscar Williams , Robert Hillyer , John Hall Wheelock , Stephen Vincent Benet , Edwin Muir , John Peal Bishop and Maxwell Bodenheim . 
Meaning of the word marked with <WSD> tags:  be identical to; be someone or something