Rational

adjective

'ræʃənəl

Adjective

of or associated with or requiring the use of the mind
“the triumph of the rational over the animal side of man”
Similar:Intellectual Noetic
consistent with or based on or using reason
“rational behavior”
“a process of rational inference”
“rational thought”
See also:Logical Reasonable Sane
having its source in or being guided by the intellect (as distinguished from experience or emotion)
“a rational analysis”
capable of being expressed as a quotient of integers
“rational numbers”