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rational
01
(of a person) avoiding emotions and taking logic into account when making decisions
02
involving logical thinking or sensible reasoning
03
capable of being expressed as a quotient of integers
04
having its source in or being guided by the intellect (as distinguished from experience or emotion)
Rational
01
an integer or a fraction
Example
Her argument was rational, supported by facts and coherent reasoning.
Rational thinking usually wins out when making important decisions.
Philosophers derive ethical principles through rational inquiry and moral reasoning.
A rational function may have vertical asymptotes where the function approaches infinity.
The scientist approached the problem with a rational mindset, relying on evidence and logical deductions.