I found this at dictionary.com:
Word of the Day for Tuesday October 9, 2001:
ken \KEN\, noun:
1. Perception; understanding; knowledge.
2. The range of vision.
3. View; sight.
He was to make several important discoveries, the most significant being that infantile paralysis was caused not by germs, as cerebrospinal meningitis had been, but by a mysterious agent just then emerging into the ken of science.
--James Thomas Flexner, Maverick's Progress
So we are predisposed -- if not preprogrammed -- to accept tales of animals who display human motives, understanding, reason, and intentions. It takes a far greater imagination to conceive the possibility that a dog's mental life may assume a form that is simply beyond our ken.
--Stephen Budiansky, If a Lion Could Talk
Libussa, the youngest, particularly beautiful, unworldly and serious, was able to see what was hidden from other people's ken and to prophesy.
--Peter Demetz, Prague in Black and Gold
--------------------------------------------------------------------------------
Ken is from Middle English kennen, from Old English cennan, "to declare, to make known."
