Synonym of well proven

sure indisputable irrefutable certain incontestable absolute incontrovertible indubitable true undeniable unquestionable categorical clear inarguable unambiguous unequivocal conclusive definite definitive evident obvious plain undoubted decided demonstrable manifest patent positive proven settled transparent unassailable accurate emphatic factual final irrefragable observable palpable unarguable unchallengeable undebatable unimpeachable unmistakable compelling unanswerable uncontroversial undisputable beyond doubt beyond question clear-cut self-evident well-founded well grounded beyond dispute not in doubt open and shut beyond a shadow of a doubt accomplished watertight decisive guaranteed sound apodictic real verifiable straightforward pronounced genuine firm apparent convincing assured nailed-on express airtight reliable infallible marked establishable distinct sure thing accepted confirmed clinching authentic ultimate established provable set authoritative trustworthy confirmable acknowledged as plain as a pikestaff noticeable undisputed staring one in the face open-and-shut striking on ice safe flawless lucid perspicuous in the bag crystal clear demonstrative actual predestined fixed hard supreme determined ascertained known unerring destined doubtless not in question univocal without doubt conspicuous salted away nonambiguous precise unambivalent explicit unquestioned having down pat pellucid bald barefaced broad bald-faced bright-line no ifs ands or buts recognized concrete undoubtable veritable sure-fire dependable double-checked open no mistake verified valid recognised perceptible exact unqualified discernible last deciding for certain overt particular glaring unconditional for sure luculent sensible blatant ringing luminous inalienable immutable unchallenged uncontested without question unshakable foolproof unequivocable surefire uncontestable unbreakable impregnable invincible irresistible nailed down veridical unfabled faultless perfect downright pat cold superior well-grounded flat sure-enough telling irrebuttable ironclad overwhelming forceful odds-on apodeictic strong invulnerable that's a fact no two ways about it without loopholes beyond the shadow of a doubt down pat bona fide attestable evincible binding distinctive telltale unique obtrusive can bet on it no ifs ands or buts about it dinkum peremptory specific self-explanatory as plain as the nose on your face beyond a doubt well defined inimitable as plain as daylight beyond a shadow of doubt nof ifs ands or buts no ifs and or buts tested axiomatic undubitable supportable empirical prominent sustainable checkable empiric detailed blunt stone cold tried demonstrated direct flat-out what you see is what you get revealing litmus test settling resolving irrefrangible determinative irrevocable all out straight out determinant black-and-white hard and fast certified attested checked runaway deducible ascertainable comprehensible inferable exhaustive comprehensive minute visible understandable on the nose easily understandable stated clearly expressed proved upheld supported cinched unalterable detectable perceivable appreciable sustained tangible notable recognizable unconcealed blinding discernable undisguised apprehensible inescapable distinguishable plain to see flagrant tried-and-true stark writ large gross salient credible as clear as day plausible ostensible seeming remarkable written all over someone standing out a mile sticking out like a sore thumb believable colorable sticking out a mile standing out like a sore thumb recognisable arresting

well provided well-provided well provided for well provided with well put well put together well-protected well protected well-proportioned well produced well-pressed well-preserved