“attain”

To discover by study or experiment directed to an object or end.

The amount of time that some being has been alive, or that some thing has been in existence, as measured from its birth or origin until the present or until some other given reference point. (Often measured in number of years; alternatively in months, days, hours, etc.; see also the usage notes)

To fail to hit, catch, grasp, etc.

Not accessible to view.