An honor system or honesty system is a philosophical way of running a variety of endeavors based on
trust,
honor, and
honesty. Something that operates under the rule of the "honor system" is usually something that does not have strictly enforced rules behind its functioning. In
British English, it would more often be called a "trust system" and should not be confused with the
British honours system.
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a practice of receiving merchandise without systematically counting the product or checking the contents of cases, but rather trusting that the vendor and shipper have complied with the order.