Sentence:  A few years later (in a paper published by the Royal Society in 1970, by which time Hawking had become a fellow “for distinction in science” of Gonville and Caius College, Cambridge), he and I joined forces to publish an even more powerful theorem which <WSD>subsumed</WSD> almost all the work in this area that had gone before. 
Meaning of the word marked with <WSD> tags:  To place (any one cognition) under another as belonging to it; to include or contain something else.