to know, be aware of / to learn, acquire, / to be acquainted with, to know (someone) / (colloquial, in the negative) to care in the least about, to be concerned with,

mental state, mentality / psychology

experimental psychology

clinical psychology

parapsychology

(psychology) gestalt psychology

(law) a crime; an act that breaks law

scholarship; learning; knowledge

stem or continuative form of 知る (shiru) [godan]

Alternative spelling of 物知り: a person with broad knowledge, a knowledgeable person