識 - discriminating, know, write

good sense

optical character recognition; OCR

acquaintance

conscious; deliberate; intentional

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

trivia; snippet of knowledge

intellectual

well-informed person; thinking person; intelligent person

sign; mark; marker; beacon

ordinary; sensible; commonplace

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

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