rational
/ˈræʃ.ən.əl/(adjective)
AWL Sublist 6CEFR B2IELTS Band 7.0 - 9.0
Academic Definition
Based on or in accordance with reason or logic; able to think sensibly or logically.
Key Academic Collocations
Click to copyWord Family & Derivatives
rationalrationallyrationalityrationalizeirrational
Lexical Alternatives (Synonyms)
logicallucidjudiciousreasonablecoherent
Academic Sample Sentences in Context
"Classical economic theory assumes that consumers act as perfectly rational agents who calculate utility before making purchases."
"Public health policies regarding mandatory vaccination should be grounded in rational scientific inquiry rather than sensationalized panic."
"The table records how financial investors abandoned rational market benchmarks during the speculative digital asset bubble."
IELTS Examiner Scoring Strategy (Lexical Resource)
Use 'a rational approach to resource allocation' in Task 2 problem-solution essays.