The phrase "accomplished milestone" is correct and usable in written English
You could use it when describing a person or entity that has achieved something significant in their field. For example, "After years of hard work, Sarah has finally accomplished the milestone of starting her own successful business."
She cried along with us as we remembered our two angels and she shed happy tears alongside us as we watched our survivor accomplish milestones we never thought possible.
You didn't hear broadcasters speculate about how much more money Cabrera could expect to earn now that he had accomplished this milestone.
Since then, the CRP has accomplished several milestones, including development of a new therapeutic radiopharmaceutical (188Re lipiodol) and successfully carrying out Phase I and Phase II clinical trials on patients using the new therapeutic radiopharmaceutical.
Just in terms of emotionally, mentally, after accomplishing a milestone, it's kind of human nature to let down a little bit.
In 1986, Goffeau, together with Steve Oliver, set up the infrastructure required to accomplish this milestone (Goffeau 2000).
Subsequently, Mutka et al. (2006) expressed the full-length epo PKS-NRPS in E. coli and observed production of epothilone C and D. To accomplish this milestone, difficulties in molecular biology were first overcome through custom gene synthesis and strategic restriction site placement.
Both Isringhausen and Collins said that with the milestone accomplished, other pitchers would now get a chance to close games.
Under Kim Jong-il's rule, the North accomplished the single milestone that his father had dreamed about, exploding two crude nuclear devices, one in 2006 and another in 2009, just months after President Obama took office.
So the day belonged to Stanford, a 25-year-old former star at Texas Christian, who either held or shared the lead after all three rounds and accomplished an important milestone in her young career.
Westbrook's quest to average a triple-double for the season purposeful and highly personal, despite his season-long claims to the contrary had already been accomplished; the only milestone left was to break Oscar Robertson's record of forty-one triple-doubles in a single season.
Don't be afraid to take risks, you'll never know, if you don't try and you don't want to constantly wonder "What if?" Always believe in yourself, even through your challenges, don't forget that you've already accomplished a huge milestone and that you are capable of achieving all of your goals.
