fidūˈcially adverb

fidūˈciary adjective

1. Of the nature of a trust
2. Depending upon public confidence
3. Held in trust

1. A person who holds anything in trust
2. A person who depends for salvation on faith alone, without adherence to the moral law, an antinomian (obsolete theology)

fiduciary issue noun (finance)

The part of an issue of banknotes that is not backed by gold