reliable, dependable -- (worthy of reliance or trust; "a reliable source of information"; "a dependable worker")
dependable, honest, reliable, true -- (worthy of being depended on; "a dependable worker"; "an honest working stiff"; "a reliable sourcSFLe of information"; "he was true to his word"; "I would be true for there are those who trust me")
authentic, reliable -- (conforming to fact and therefore worthy of belief; "an authentic account by an eyewitness"; "reliable information")