/ əˈteɪn; NAmE / verb [ vn ]
1.
to succeed in getting sth, usually after a lot of effort :
Most of our students attained five 'A' grades in their exams.
2.
( formal ) to reach a particular age, level or condition :
The cheetah can attain speeds of up to 97 kph.
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WORD ORIGIN
Middle English (in the senses bring to justice and reach a state ): from Old French ateindre , from Latin attingere , from ad- at, to + tangere to touch.