fiduciary
1. fi.du.ciary \f*-'d(y)u:-she--.er-e-, fi--, -sh*-re-\ n : one that holds a fiduciary relation or acts in a fiduciary capacity 2. fiduciary aj [L fiduciarius, fr. fiducia confidence, trust, fr. fidere] : of, relating to, or involving a confidence or trust : as : held or founded in trust or confidence : holding in trust : depending on public confidence for value or currency {~ fiat m oney}