noun, plural -ar⋅ies, adjective | 1. | Law. a person to whom property or power is entrusted for the benefit of another. |
| 2. | Law. of or pertaining to the relation between a fiduciary and his or her principal: a fiduciary capacity; a fiduciary duty. |
| 3. | of, based on, or in the nature of trust and confidence, as in public affairs: a fiduciary obligation of government employees. |
| 4. | depending on public confidence for value or currency, as fiat money. |

fiduciary