Sentence:  Mr. Philip Toynbee <WSD>affirms</WSD> at one point that if he shared the anticipations of Orwell in Nineteen Eighty-Four , if he believed Communism was not only evil but `` also irredeemably evil '' , then he might `` think it right to do anything rather than to take the risk of a communist world . 
Meaning of the word marked with <WSD> tags:  establish or strengthen as with new evidence or facts