rationale
n.-
1 logical basis (n.) C1 Advanced Academic Formalthe reasons why someone decides to do something or why something exists.
the underlying reason or set of reasons that forms the logical basis for an action or belief.
ExampleThe rationale for the new law was to improve safety on the roads.
ExampleThe CEO provided a detailed rationale for the merger, citing long-term market stability and the potential for technological synergy.
UsageOften followed by the preposition 'for' or 'behind'.
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2 religious vestment (n.) C2 Proficiency Archaic Technical Religiona special piece of clothing worn by some high-ranking church leaders during ceremonies.
a liturgical vestment worn by certain Christian bishops, primarily in specific historical or high-church traditions.
ExampleThe ancient rationale was decorated with gold and precious stones.
ExampleThe museum's collection includes a rare medieval rationale, illustrating the intricate embroidery typical of fourteenth-century liturgical attire.
UsageUsed as a countable noun in ecclesiastical contexts.
- vestment
From Late Latin ratiōnāle.
From Latin ratiōnāle.