Synonyms of 'sanity'
1 mental health
He and his wife finally had to move, just to preserve their sanity.
2 common sense
He's been looking at ways of introducing some sanity into the market.
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Your common sense is your natural ability to make good judgments and to behave in a practical and sensible way.
Her mother acted with remarkable common sense.
Behind the smiling facade of normality lurked a psychopathic serial killer.
The ability that people have to think and to make sensible judgments can be referred to as reason.
a conflict between emotion and reason
Thesaurus for sanity from the Collins English Thesaurus
A person's sanity is their ability to think and behave normally and reasonably.