Synonyms:
knower, apprehender
Meaning: a person who knows or apprehends
Usage examples
But the materiality of the knower, and of the species whereby it knows, impedes the knowledge of the universal.
And since knowledge is begotten according to the assimilation of the knower to the thing known, it follows that the same thing may happen to be known by several knowers; as is apparent in regard to the senses; for several see the same color, according to different likenesses.