Based on the origin of the word knowledgeable (knowledge, knowable), the word part know probably means
A. to perceive or understand - She was the only person to know what really happened that day.
B. to disagree, to deny - Her brother was always negative, he never wanted to know the truth.
C. to disagree with - He always said know when she suggested a destination for their vacation.

Question

Based on the origin of the word knowledgeable (knowledge, knowable), the word part know probably means
A.  to perceive or understand - She was the only person to know what really happened that day.
B.  to disagree, to deny - Her brother was always negative, he never wanted to know the truth.
C.  to disagree with - He always said know when she suggested a destination for their vacation.

anonymous · Answer

knowledgeable

Origin: 
1250–1300 -- Middle English knouleche, the same as to know ( en ) to know + -leche, possibly related to Old English -lāc suffix denoting action or practice, cognate with Old Norse

anonymous · Answer

What do you think it is?