Trusty

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

Adj.

1.

trusty - worthy of trust or belief; "a trustworthy report"; "an experienced and trustworthy traveling companion" Synonyms: trustworthy

POW, believable, cageling, calculable, captive, chain gang, childlike, colorable, con, conceivable, confiding, convict, credible, credulous, dependable, dependent, depending, detenu, ex-convict, faithful, faithworthy, fast, fiduciary, firm, galantuomo, gaolbird, gentilhomme, gentleman, good man, good woman, guileless, honest man, honest woman, incorruptible, innocent, internee, invincible, inviolable, jailbird, lady, lifer, man of honor, naive, parolee, plausible, political prisoner, predictable, prisoner, prisoner of war, proven, real lady, reliable, reliant, relying, responsible, secure, solid, sound, stable, staunch, steadfast, steady, stir bird, straight, straight shooter, substantial, sure, surefire, tenable, tested, ticket-of-leave man, ticket-of-leaver, to be trusted, tried, tried and true, true, true blue, truepenny, trustable, trustful, trusting, trustworthy, unexceptionable, unfailing, unfalse, unimpeachable, unperfidious, unquestionable, unsuspecting, unsuspicious, untreacherous, well-founded, well-grounded, without suspicion, woman of honor, worthy of faith