ADJ

considerable, extraordinary, fine, great, important, impressive, major, no mean, notable, outstanding, real, remarkable, significant, tremendous
This was no mean achievement for the government
rare
unique
concrete, solid
crowning, main, proudest, supreme
lasting
modest
personal
architectural, artistic, cultural, economic, educational, engineering, literary, scientific, sporting, technical, technological

VERB + ACHIEVEMENT

be, constitute, represent
This conference in itself constitutes a solid achievement

PREP

~ in
She was given a prize for her achievements in textile design

PHRASES

quite an achievement
To be offered a place at such a good university is quite an achievement

ADJ

high
two years of consistently high achievement
positive
individual, personal
human
He believes European civilization was the high point of human achievement
academic, educational, intellectual
Success should not be measured solely by educational achievement

PHRASES

a feeling/sense of achievement
Climbing the mountain gave him a tremendous sense of achievement
a lack of achievement, a level/standard of achievement, a record of achievement
an impressive record of achievement