Definitions of fiducial
  1. adjective
    based on trust
    trustworthy, trusty
    worthy of trust or belief
  2. adjective
    relating to or of the nature of a legal trust (i.e. the holding of something in trust for another)
    fiducial power”
    synonyms: fiduciary
  3. adjective
    used as a fixed standard of reference for comparison or measurement
    “a fiducial point”
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