Trusty /(?)/

Trust·y

Trusty

a.
  1. Admitting of being safely trusted; justly deserving confidence; fit to be confided in; trustworthy; reliable.
    Your trusty and most valiant servitor.
  2. Hence, not liable to fail; strong; firm.
    His trusty sword he called to his aid.
  3. Involving trust; as, a trusty business. [R.]