1 : to reach as an end : gain, achieve attain a goal. 2 : to come into possession of : obtain he attained preferment over his fellows.

Why does attain mean?

to reach, achieve, or accomplish; gain; obtain: to attain one's goals. to come to or arrive at, especially after some labor or tedium; reach: to attain the age of 96; to attain the mountain peak.

What does acheive mean?

transitive verb. 1 : to carry out successfully : accomplish achieve a gradual increase in production. 2 : to get or attain as the result of exertion : reach achieved a high degree of skill achieved greatness. intransitive verb. : to attain a desired end or aim : become successful.