(~s)
Frequency: The word is one of the 3000 most common words in English.
1.
An ~ is something which someone has succeeded in doing, especially after a lot of effort.
Reaching this agreement so quickly was a great ~...
= accomplishment
N-COUNT
2.
Achievement is the process of achieving something.
Only the ~ of these goals will bring lasting peace.
N-UNCOUNT: oft N of n