reliable (adj.)

• absolute
• accurate
• admissible
• apposite
• attested
• authentic
• authenticated
• balanced
• believable
• calculable
• certain
• circumstantial
• cogent
• compelling
• conceivable
• conclusive
• confirmed
• conscientious
• convincing
• cool
• credible
• cumulative
• damning
• decisive
• dependable
• determinative
• documentary
• documented
• evidential
• evidentiary
• factual
• fail-safe
• faithful
• fast
• fiducial
• fiduciary
• final
• firm
• firsthand
• guaranteed
• harmless
• hearsay
• honest
• honorable
• imperturbable
• implicit
• incontrovertible
• incorruptible
• indicative
• indisputable
• inerrable
• inerrant
• infallible
• invincible
• inviolable
• invulnerable
• irrefutable
• irresistible
• material
• meaningful
• overwhelming
• plausible
• predictable
• presumptive
• principled
• probative
• proven
• punctilious
• reputable
• responsible
• riskless
• safe
• secure
• significant
• solid
• sound
• stable
• staunch
• steadfast
• steady
• straight
• substantial
• suggestive
• sure
• symptomatic
• telling
• tenable
• tested
• tried
• true
• trusted
• trustworthy
• trusty
• unerring
• unexceptionable
• unfailing
• unflappable
• unflinching
• unhazardous
• unimpeachable
• unquestionable
• unshakable
• unwavering
• valid
• validated
• verified
• weighty
• well-balanced
• well-founded
• well-grounded