Definition of confirmation
1
: an act or process of confirming: such as
a(1)
: a Christian rite conferring the gift of the Holy Spirit and among Protestants full church membership
(2)
: a ceremony especially of Reform Judaism confirming youths in their faith
b
: the ratification of an executive act by a legislative body
the confirmation of a Supreme Court nominee
2a
: confirming proof : corroboration
found confirmation of a theory The report needed confirmation.
b
: the process of supporting a statement by evidence
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Merriam-Webster unabridged
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The first known use of confirmation was in the 14th century
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