rational
US /ˈræʃ.ən.əl/
UK /ˈræʃ.ən.əl/
1.
based on or in accordance with reason or logic
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It's important to make rational decisions.
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Her explanation was perfectly rational.
2.
endowed with the capacity to reason
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Humans are considered rational beings.
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A truly rational mind can analyze complex problems.
1.
a rational number
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The fraction 3/4 is a rational.
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Can you identify all the rationals in this set?