at ‧ tain AC /əˈteɪn/ BrE AmE verb [transitive] formal
[ Word Family: verb : ↑ attain ; noun : ↑ attainment ; adjective : ↑ attainable ≠ ↑ unattainable ]
[ Date: 1200-1300 ; Language: Old French ; Origin: ataindre , from Latin attingere , from ad- 'to' + tangere 'to touch' ]
1 . to succeed in achieving something after trying for a long time:
More women are attaining positions of power.
2 . to reach a particular level, age, size etc:
Share prices attained a high of $3.27.
After a year she had attained her ideal weight.
—attainable adjective :
This target should be attainable.