Dictionary.com
definitions
  • synonyms

fiduciary

[fi-doo-shee-er-ee, -dyoo-]
noun, plural fi·du·ci·ar·ies.
  1. Law. a person to whom property or power is entrusted for the benefit of another.
Show More
adjective
  1. Law. of or relating to the relation between a fiduciary and his or her principal: a fiduciary capacity; a fiduciary duty.
  2. of, based on, or in the nature of trust and confidence, as in public affairs: a fiduciary obligation of government employees.
  3. depending on public confidence for value or currency, as fiat money.
Show More

Origin of fiduciary

1585–95; < Latin fīdūciārius of something held in trust, equivalent to fīdūci(a) trust + -ārius -ary
Related formsfi·du·ci·ar·i·ly, adverbnon·fi·du·ci·ar·y, adjective, noun, plural non·fi·du·ci·ar·ies.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for fiduciarily

fiduciary

noun plural -aries
  1. a person bound to act for another's benefit, as a trustee in relation to his beneficiary
Show More
adjective
    1. having the nature of a trust
    2. of or relating to a trust or trustee
Show More
Derived Formsfiduciarily, adverb

Word Origin for fiduciary

C17: from Latin fīdūciārius relating to something held in trust, from fīdūcia trust; see fiducial
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fiduciarily

fiduciary

adj.

1630s, from Latin fiduciarius "(holding) in trust," from fiducia "trust" from root of fidere "to trust" (see faith). In Roman law, fiducia was "a right transferred in trust;" paper currency sense (1878) is because its value depends on the trust of the public. As a noun, from 1630s.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper