(saner, sanest)
1.
Someone who is sane is able to think and behave normally and reasonably, and is not mentally ill.
He seemed perfectly sane...
It wasn't the act of a sane person.
? insane
ADJ
2.
If you refer to a sane person, action, or system, you mean one that you think is reasonable and sensible.
No sane person wishes to see conflict or casualties.
? insane
ADJ: usu ADJ n