a‧chieve‧ment S3 W2
something important that you succeed in doing by your own efforts
We try to celebrate the achievements of our students.
His great achievement is to make all the players into a united team.
somebody's achievement in (doing) something
The test measures children's achievements in reading, spelling and maths.
when you achieve something or when people achieve something:
Roberts is researching the effect of social class on educational achievement.
As we climbed the final few metres, we felt a sense of achievement.