understand

v. t.

  1. To have just and adequate ideas of; to apprehended the meaning or intention of; to have knowledge of; to comprehend; to know; as, to understand a problem in Euclid; to understand a proposition or a declaration; the court understands the advocate or his argument; to understand the sacred oracles; to understand a nod or a wink.
  2. To be apprised, or have information, of; to learn; to be informed of; to hear; as, I understand that Congress has passed the bill.
  3. To recognize or hold as being or signifying; to suppose to mean; to interpret; to explain.
  4. To mean without expressing; to imply tacitly; to take for granted; to assume.
  5. To stand under; to support.

v. i.

  1. To have the use of the intellectual faculties; to be an intelligent being.
  2. To be informed; to have or receive knowledge.