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Meaning of “rational” - Learner’s Dictionary

rational

adjective     /ˈræʃənəl/
BASED ON FACTS
based on facts and not affected by someone's emotions or imagination: a rational argument/debate/explanation Logic and reason
WITHOUT EMOTION
able to make decisions based on facts and not be influenced by your emotions or imagination: Look, we've got to try to be rational about this. →  Opposite irrational Logic and reason
rationally adverb
(Definition of rational from the Cambridge Learner’s Dictionary © Cambridge University Press)
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