DictionarysaneMentally sound
adjective

sane

SAYN/seɪn/

Sound in mental judgment.

The adult makes a sane decision after calmly comparing the evidence.

A Black adult calmly compares evidence and makes a practical balanced decision at a desk.
Etymology

Latin sanus covered bodily health as well as soundness of mind. English sane became chiefly a word for mental soundness through its contrast with insane, which referred to mental condition.

In context

Enhanced Public Domain358:38
a perfectly sane man not intimidated by religious or other delusions could always render himself perfectly secure from detection
1920s Mystery Audiobook • Dorothy L. Sayers - Whose Body?

More examples

  • He offers a sane solution to a complicated problem.
  • We need a saner schedule that leaves time for rest.
  • She is perfectly sane, even if you disagree with her.

Forms

sane · saner · sanest

sanity noun — The state of being mentally sound.

sanely adverb — In a rational and sensible manner.

Similar words

rational
Emphasizes logical thinking rather than overall mental soundness.
sensible
Emphasizes practical good judgment in everyday decisions and actions.