Adjective

(en-adj)

Of high or especially quick cognitive capacity, bright.

*{{quote-book, year=1927, author= F. E. Penny

, chapter=5, title= Pulling the Strings , passage=Anstruther laughed good-naturedly. “[…] I shall take out half a dozen intelligent maistries from our Press and get them to give our villagers instruction when they begin work and when they are in the fields.”}}

Well thought-out, well considered.

Characterized by thoughtful interaction.

Having the same level of brain power as mankind.

Having an environment-sensing automatically-invoked built-in computer capability.

Adjective

(er)

Being in a healthy condition; not deranged; acting rationally.

a sane mind

Mentally sound; possessing a rational mind; having the mental faculties in such condition as to be able to anticipate and judge the effect of one's actions in an ordinary manner.

a sane person

Rational; reasonable; sensible.

Try to go to bed at a sane time before your exams.