reliable Synonyms

dependable secure true trustworthy trusty honest authentic undisputable truthful trusted true-blue unfailing unimpeachable solid tried trew solvent sound sounder stable staunch steadfast steady supportable sure tenable tested unoffensive upright serious-minded foolproof reliably risk-free riskless rock steady steady-going time tested tried and true unfluctuating unhazardous well-tried unswerving valid veracious veridical verifiable verified virtuous well-grounded all-weather