approver

[uh-proo-ver]
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noun

a person who approves.
Old English Law. an accomplice to a felony who confesses his or her guilt and gives evidence against his or her confederates.

Origin of approver

Middle English word dating back to 1350–1400; see origin at approve, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for approver

Historical Examples of approver