It is correct and usable in written English.
You can use it when talking about completing a task or achieving a goal. For example, "The team was pleased with their accomplishment by the end of the project."
He dismissed his accomplishment by saying, "Everybody has to deal with it".
Mentions Bush's diffidence towards school vouchers... Governor Bush's proudest accomplishment, by far, was education reform.
It was a great accomplishment by the gymnasts last night in winning the first [men's team] medal for 100 years.
The women, meanwhile, were there to celebrate the men's achievements and share in their religious accomplishment by encouraging their study.
He added, however, that "the bottom line for us is we think this is a significant accomplishment by the state".
Or, perhaps more akin to Hidetaka Miyazki's Dark Souls ethos: not hard, but encouraging "accomplishment by overcoming tremendous odds".
I wonder if it has to do with the enormous satisfaction a person derives from a job well done and the recognition of one's accomplishment by the world.
That accomplishment by the security agencies, too, might have fallen within Mr. Coe's pantheon of achievement delivered in Britain's living memory.
Yet the income divide has received far less attention from policy makers and government officials than gaps in student accomplishment by race.
Yet after all this time, after all this change, Debbie still loves Chris and Chris still loves Debbie -- an accomplishment by anyone's standards.
For Richardson, repeating the feat was perfect until the public-address announcer implored the crowd to applaud the accomplishment by... Bonnie Singleton.
