attain
vb
1 tr to achieve or accomplish (a task, goal, aim, etc.)
2 tr to reach or arrive at in space or time
to attain old age
3 intr; often foll by: to to arrive (at) with effort or exertion
to attain to glory
(C14: from Old French ateindre, from Latin attingere to reach, from tangere to touch)
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attainable adj
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attainability, attainableness n