categoristrare.|ˈkætɪgərɪst|[f.categorize: see -ist.]a.One who categorizes or classifies.b.One who deals with the ‘categories’.1847EmersonRepres. Men, SwedenborgWks.(Bohn) I. 332Swedenborg's revelation is a confounding of planes,—a capital offence in so learned a categorist.1857Chamb.Jrnl.VIII. 294Fencing cleverly..with a categorist.