rare. [f. CATEGORIZE: see -IST.] a. One who categorizes or classifies. b. One who deals with the categories.
1847. Emerson, Repres. Men, Swedenborg, Wks. (Bohn), I. 332. Swedenborgs revelation is a confounding of planes, a capital offence in so learned a categorist.
1857. Chamb. Jrnl., VIII. 294. Fencing cleverly with a categorist.