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adjective

rational

CEFR B1

consistent with or based on or using reason

In a sentence

Six example sentences with rational, each labelled with its topic.

  • The model assumes every shopper is rational, comparing prices carefully, which is why it predicts panic buying so badly.

    Economics

  • Under time pressure even trained analysts abandon a rational weighing of evidence and reach for the first familiar pattern.

    Psychology

  • Philosophers still dispute whether a rational choice must be one the chooser could defend aloud to a critical stranger.

    Philosophy

  • The court asked only whether the council had a rational basis for the zoning rule, not whether it was wise.

    Law

  • A rational investor ignores last week's headlines and asks what the company will earn over the next ten years.

    Finance

  • The rational move was to fold the weak hand, but the crowd wanted a bluff and he obliged them.

    Gaming

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Found in these word lists

Found in 10 published word lists

Each source is a published word list that contains rational. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.