識 - discriminating, know, write

lack of common sense; thoughtlessness; senselessness; irrationality; absurdity

trivia; snippet of knowledge

acquaintance

recognition; awareness; perception; understanding; knowledge; cognition; cognizance; cognisance

consciousness

intellectual

optical character recognition; OCR

attitude survey; opinion poll

views; opinion; discernment

common sense; good sense; common knowledge; general knowledge; common practice; accepted practice; social etiquette

expert; knowledgeable person; authority (on a subject)

ordinary; sensible; commonplace