from
The Collaborative International Dictionary of English v.0.48
Trusty \Trust"y\, a. [Compar. {Trustier}; superl. {Trustiest}.]
1. Admitting of being safely trusted; justly deserving
confidence; fit to be confided in; trustworthy; reliable.
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Your trusty and most valiant servitor. --Shak.
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2. Hence, not liable to fail; strong; firm.
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His trusty sword he called to his aid. --Spenser.
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3. Involving trust; as, a trusty business. [R.] --Shak.
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