from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To know about; have knowledge of; recognise; understand; be aware (of); be knowledgeable about.
- v. To acknowledge; own; confess.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To confess; to acknowledge.
from The Century Dictionary and Cyclopedia
- To know; recognize.
- To acknowledge; own; confess. Ayenbyte of Inwyt (1340, ed. Morris).
From Middle English beknowen, biknowen, from Old English becnāwan ("to know, know about"), equivalent to be- + know. Cognate with Old High German bichnāan ("to recognise, see"). (Wiktionary)
And prize fair poesy and sweet musick hear * And shun the 'say' and naught of 'said' beknow:
3.31.3: Take not for thine: nor yet thy self as thine beknow.