1. succeed in achieving (something that one has worked for): "clarify your objectives and ways of attaining them"
▪ reach (a specified age, size, or amount):"dolphins can attain speeds in water which man cannot yet emulate"
Word OriginMiddle 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’.