The agent's action within the above delegated authority will be recognized by the principal.

委托人也是一个很麻烦的词：

常用的几个如下：

委托人

Principal
A person who empowers another to act as his or her representative.
委托人授权另一人代表他或她行事的人


Bailer, Bailor

To transfer (property) to another for a special purpose but without permanent transference of ownership.
财产委托为了某种特殊目的而把（财产）转移给另一个人但不转让永久的所有权

Consigner, consignor

To give over to the care of another; entrust.
To turn over permanently to another's charge or to a lasting condition; commit irrevocably: “Their desponding imaginations had already consigned him to a watery grave” (William Hickling Prescott).
To deliver (merchandise, for example) for custody or sale.
To set apart, as for a special use or purpose; assign. See synonyms at commit.

Principal
A person who empowers another to act as his or her representative.
委托人授权另一人代表他或她行事的人

Mandator
Mandate也有委托的意思，也有托管的意思。相应的人也就成了委托人。


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Note added at 2002-03-19 23:24:36 (GMT)
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The agent\'s actions within the above delegated authority will be recognized by the principal.
Action 应为复数


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Note added at 2002-03-20 02:15:44 (GMT)
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委托人还拉下了一个trustor，也是常用的。