Worthy of reliance or trust:
— A reliable source of information.

synonym: dependable.

Roget 484: believing etc. v.; certain, sure, assured, positive, cocksure, satisfied, confident, unhesitating, convinced, secure.    under the impression; impressed with, imbued with, penetrated with.    confiding, suspectless^†; unsuspecting, unsuspicious; void of suspicion; credulous etc. 486; wedded to.    believed etc. v.; accredited, putative; unsuspected.    worthy of, deserving of, commanding belief; credible, reliable, trustworthy, to be depended on; satisfactory; probably etc. 472; fiducial^†, fiduciary; persuasive, impressive.    relating to belief, doctrinal.    ... show more

Polish: sumienny, solidny, rzetelny

Worthy of being depended on:
— A reliable source of information.

synonyms: dependable, honest, true.

Polish: odpowiedzialny, świadomy

Conforming to fact and therefore worthy of belief:
— Reliable information.

synonym: authentic.

Roget 474: certain, sure, assured etc. v.; solid, well-founded.    unqualified, absolute, positive, determinate, definite, clear, unequivocal, categorical, unmistakable, decisive, decided, ascertained.    inevitable, unavoidable, avoidless^†; ineluctable.    unerring, infallible; unchangeable etc. 150; to be depended on, trustworthy, reliable, bound.    unimpeachable, undeniable, unquestionable; indisputable, incontestable, incontrovertible, indubitable; irrefutable etc. (proven) 478; conclusive, without power of appeal.    indubious^†; without doubt, beyond a doubt, without a shade or shadow of doubt, without question, beyond question; past dispute; clear as day; beyond all question, beyond all dispute; undoubted, uncontested, unquestioned, undisputed; questionless^†, doubtless.    authoritative, authentic, official.    sure as fate, sure as death and taxes, sure as a gun.    evident, self-evident, axiomatic; clear, clear as day, clear as the sun at noonday.    ... show more