from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To recognize.
- v. To acknowledge; confess (often with "of" or "on"), reveal, disclose, realize
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To recognize.
- transitive v. To acknowledge; to confess.
from The Century Dictionary and Cyclopedia
- To recognize; acknowledge; confess.
From Middle English aknowen, from Old English ācnāwan, oncnāwan ("to understand, know, perceive, observe, recognize, acknowledge, confess, disclose"), equivalent to a- + know. (Wiktionary)