|1.||[ adjective ] relating to or of the nature of a legal trust (i.e. the holding of something in trust for another)|
"a fiduciary contract" "in a fiduciary capacity" "fiducial power"
|Related terms:||trust trust|
|2.||[ adjective ] used as a fixed standard of reference for comparison or measurement|
"a fiducial point"
|Related terms:||physics standard|
|3.||[ adjective ] based on trust|