Fiduciary Synonyms

fĭ-do͝oshē-ĕrē, -shə-rē, -dyo͝o-, fī-
One who regulates or protects
(Noun)
Relating to or of the nature of a legal trust (i.e. the holding of something in trust for another)
(Adjective)
Synonyms:
  1. fiducial