sane
https://gyazo.com/783886ec2d9342da1dab9ebb5cd2f76a
adjective
(of a person) of sound mind; not mad or mentally ill
(思考･行動からみて)〈人が〉正気の, まともな(↔ insane)
e.g. hard work kept me sane.
(of an undertaking or manner) reasonable; sensible.
〖通例名詞の前で〗分別のある, 健全な, 理にかなった〈言動･思考など〉(↔ insane)
DERIVATIVES
sanely | ˈsānlē | adverb
saneness | ˈsānnis | noun
ORIGIN
early 17th century: from Latin sanus ‘healthy’.