Reliance

Part of speech: noun (n.)

1. The act of relying, or the condition or quality of being reliant; dependence; confidence; trust; repose of mind upon what is deemed sufficient support or authority. In reliance on promises which proved to be of very little value. Macaulay.

2. Anything on which to rely; dependence; ground of trust; as, the boat was a poor reliance. Richardson.