sane WORD ORIGIN Early 17th century from Latin sanus ‘healthy’ WORD FAMILY • C1–C2 insane(ly), insanitary, insanity, sanatorium, sanely, sanitarium, sanitary, sanitation, sanitisation, sanitise, sanity, unsanitary WORD FAMILY • C2+ Only available upon request WORD FAMILY • Specialist Only available upon request SENSE DEVELOPMENT Only available upon request