FIDUCIALLY
Scrabble letter values: F4I1D2U1C3I1A1L1L1Y4 = 19
Definition
FIDUCIALLY is the adverb form of FIDUCIAL.
adjective FIDUCIAL: relating to or of the nature of a legal trust (i.e. the holding of something in trust for another).
Synonyms of FIDUCIAL: fiduciary