1. (a.) Based on faith or trust; confident\; undoubting; firm.

2. (a.) Having the nature of a trust; fiduciary; as, fiducial power.

balanced convictional cool fast fiduciary firm firm as Gibraltar imperturbable in equilibrium pistic predictable reliable secure solid sound stable steadfast steady substantial unflappable unflinching unshakable unwavering well-balanced without nerves