verb

• (transitive) To gain (an object or desired result).
  "To attain such a high level of proficiency requires hours of practice each day."
• (transitive) To reach or come to, by progression or motion; to arrive at (a place, time, state, etc.).
  "[…] my bones would rest, / That have but labour’d to attain this hour."
• (intransitive) To come or arrive, by motion, growth, bodily exertion, or efforts toward a place, object, state, etc.
  "Such knowledge is too wonderful for me; it is high, I can not attain unto it."
• (transitive, obsolete) To get at the knowledge of.
  "[…] Master Camden, sometimes acknowledgeth, sometimes denieth him for an English Earle. Not that I accuse him as inconstant to himself, but suspect my self not well attaining his meaning therein."