The phrase "as a summing up" is correct and usable in written English.
It can be used when you want to summarize or conclude a discussion or argument.
Example: "As a summing up, we can conclude that the project was a success and met all its objectives."
Alternatives: "in conclusion" or "to summarize".
It might then be supposed that their concern with the world as a whole is to be interpreted as a summing up and synthesizing of the results of the particular sciences.
Poitier views the book as a "summing up" of his career and his life as father to six daughters, but the crux is Poitier's preoccupation with the choices he made to sustain his long run as a leading man, and the shift in racial politics that helped to bring that run to an end.
He said of the retrospective: "I don't look at it as a summing up, but it's an ambitious presentation of my work.... I'm delighted".
But "What Remains to Be Discovered" is still useful as a summing up of present knowledge.
It was promoted as a summing up of an era, rather than a brisk, acerbic jaunt.
He did everything -- build it or tear it down --and no power tools.' Mr. Hendricks sees the retrospective as a summing up of his career so far, but in his mind's eye he sees at least one direction ahead.
"Incredible, incredible," he said in Spanish in his television interviews immediately afterwards, and that seemed as good a summing up as any of one of the most remarkable and thrilling grands prix for some time.
Nevertheless, as a summing-up of national attitude, it feels appropriate.
Le Carré, 76, talked of being at an age when "it's impossible not to see everything I write as a summing-up"; and again seemed to hint that his well-received latest novel, A Most Wanted Man, could be his farewell to spy fiction.
It appears therefore in reasoning as a summing-up, a result, and not as the starting point, although it is the real point of origin, and thus also the point of origin of perception and imagination.
"To see what is in front of one's nose needs a constant struggle," he wrote in a 1946 column dissecting cultural truisms, and that's as good a summing up of his perspective as you're likely to find.
