■ noun
1》 information and skills acquired through experience or education.
↘the sum of what is known.
↘ Philosophy true, justified belief, as opposed to opinion.
2》 awareness or familiarity gained by experience.
Phrases
come to one's ~ become known to one.
to ( the best of ) my ~
1》 so far as I know.
2》 as I know for certain.
Origin
ME (orig. as v. in the sense 'ac~, recognize'): from an OE compound based on cnāwan (see know ).