fiduciecommon nounSyllable DecompositionfiducieEtymologyexpandFrom the Latin fiducia ("trust"), synonym of fideicommissum ("fideicommissum").Definition1. A contract by which a settlor (or fiduciant) temporarily transfers the ownership of assets or rights to a trustee, with the obligation for the latter to act in the interest of the settlor or other beneficiaries or for a specific purpose.droitfinanceexpandPluralfiduciesTranslationsenglish:trustSee alsoconfiance (cn.) fiduciaire (adj.) fiducies (cn.)