achievement · noun C or U /əˈtʃiːv.mənt/
Word family
Nouns: achievement, achiever
Adjectives: achievable
Verbs: achieve
achievement
B1 something very good and difficult that you have succeeded in doing
Dictionary examples:
An Olympic silver medal is a remarkable achievement for such a young athlete.
It gives you a sense of achievement if you actually make it to the end of a very long book.
Learner example:
I think this is an achievement because he is now a lawyer. (Preliminary English Test; B1; German)