- based on firm faith
- used as a standard of reference for measurement or calculation: a fiducial point
Origin of fiducialClassical Latin fiducialis from fiducia, trust: see fiduciary
- Based on or relating to faith or trust.
- Relating to or characteristic of a legal trust; fiduciary.
- Regarded or employed as a standard of reference, as in surveying.
Origin of fiducialLate Latin fīdūciālis from Latin fīdūcia trust from fīdere to trust ; see bheidh- in Indo-European roots.
(comparative more fiducial, superlative most fiducial)