from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to a holding of something in trust for another: a fiduciary heir; a fiduciary contract.
  • adj. Of or being a trustee or trusteeship.
  • adj. Held in trust.
  • adj. Of or consisting of fiat money.
  • adj. Of, relating to, or being a system of marking in the field of view of an optical instrument that is used as a reference point or measuring scale.
  • n. One, such as an agent of a principal or a company director, that stands in a special relation of trust, confidence, or responsibility in certain obligations to others.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Related to trusts and trustees.
  • adj. Pertaining to paper money whose value depends on public confidence or securities.
  • n. One who holds a thing in trust for another; a trustee.
  • n. One who depends for salvation on faith, without works; an antinomian.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Involving confidence or trust; confident; undoubting; faithful; firm.
  • adj. Holding, held, or founded, in trust.
  • n. One who holds a thing in trust for another; a trustee.
  • n. One who depends for salvation on faith, without works; an Antinomian.

from The Century Dictionary and Cyclopedia

  • Confident; steady; undoubting; unwavering; firm.
  • Having the nature of a trust, especially a financial trust; pertaining to a pecuniary trust or trustee: as, a fiduciary power. Also fiducial.
  • n. One who holds a thing in trust; a trustee.
  • n. One who depends for salvation on faith without works; an Antinomian.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. relating to or of the nature of a legal trust (i.e. the holding of something in trust for another)
  • n. a person who holds assets in trust for a beneficiary


Latin fīdūciārius, from fīdūcia, trust; see fiducial.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin fīdūciārius ("held in trust"), from fidūcia ("trust"). (Wiktionary)


  • Indeed, the word fiduciary comes from the Latin word fides, meaning faith.

    David McWilliams

  • The word "fiduciary" comes from the Latin word for trust.

    Nancy F. Koehn: Leaders and Fiduciaries

  • Your editorial accurately depicts what a Labor Department proposal to change the regulatory agency's definition of the phrase "fiduciary" might to do the retirement-investment industry.

    Please Don't Make Something Worse That Is Working

  • Every investment product or service ever devised by Wall Street and foisted upon the public demands what I refer to as a "fiduciary response." News

  • "Having been in fiduciary positions in which I was responsible for hundreds of millions of dollars of the public's money, I've demonstrated proven ability."

    Jennie M. Forehand (D)*

  • The $146 billion joint bailout from the European Union and the International Monetary Fund formalized earlier this week could take care of the country's short-term fiduciary problems, but major questions remain over how the country will look in the long-term, if it will ultimately be able to avoid default, and whether its problems will spread to other countries.

    Financials Slip But Don't Trip On Greece

  • We'll also be featuring a Research Room, "manned" by a bevy of bodacious, brainy beauties, who are fully "equipped" to give you insider tips about which games best suit your skills, value and long-term fiduciary goals.

    David Henry Sterry: Goldman Sachs Resort & Casino

  • The solicitor-client relationship thus created is, however, overlaid with certain fiduciary responsibilities, which are imposed as a matter of law.

    Conflict of Interests Taskforce Reports : Law is Cool

  • In addition, the Department of Labor is looking at tightening requirements for advisors who serve the retirement market, including by raising the definition of fiduciary. News

  • While the act itself does not use the word fiduciary - meaning that advisers need to put their clients 'interests first - the United States Supreme Court has ruled that advisers do have a fiduciary duty under the act.

    NYT > Home Page


Log in or sign up to get involved in the conversation. It's quick and easy.