plural of rationale
as in explanations
a statement given to explain a belief or act the rationale for starting the school day an hour later is that kids will supposedly get an extra hour of sleep

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“Rationales.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rationales. Accessed 22 Apr. 2024.

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