fiduciary: Definition and Much More From Answers.com: "fiduciary
Dictionaryfi�du�ci�ar�y (fi-du'she-er'e, -sh?-re, -dyu'-, fi-)
adj.

Of or relating to a holding of something in trust for another: a fiduciary heir; a fiduciary contract.
Of or being a trustee or trusteeship.
Held in trust."