Completely acceptable; not open to exception or reproach:
— Two unexceptionable witnesses.
— A judge's ethics should be unexceptionable.

synoniem: unimpeachable.

Roget 648: harmless, hurtless^†; unobnoxious^†, innocuous, innocent, inoffensive.    beneficial, valuable, of value; serviceable etc. (useful) 644; advantageous, edifying, profitable; salutary etc. (healthful) 656.    favorable; propitious etc. (hope-giving) 858; fair.    good, good as gold; excellent; better; superior etc. 33; above par; nice, fine; genuine etc. (true) 494.    best, choice, select, picked, elect, recherche, rare, priceless; unparagoned^†, unparalleled etc. (supreme) 33; superlatively etc. 33; good; bully [Slang], crackajack [Slang], giltedged; superfine, superexcellent^†; of the first water; first-rate, first-class; high-wrought, exquisite, very best, crack, prime, tiptop, capital, cardinal; standard etc. (perfect) 650; inimitable.    admirable, estimable; praiseworthy etc. (approve) 931; pleasing etc. 829; couleur de rose [Fr.], precious, of great price; costly etc. (dear) 814; worth its weight in gold, worth a Jew's eye; priceless, invaluable, inestimable, precious as the apple of the eye.    tolerable etc. (not very good) 651; up to the mark, unexceptionable, unobjectionable; satisfactory, tidy.    in good condition, in fair condition; fresh; sound etc. (perfect) 650.    ... meer laten zien

Roget 924: having a right to etc. v.; entitled to; claiming; deserving, meriting, worthy of.    privileged, allowed, sanctioned, warranted, authorized; ordained, prescribed, constitutional, chartered, enfranchised.    prescriptive, presumptive; absolute, indefeasible; unalienable, inalienable; imprescriptible^†, inviolable, unimpeachable, unchallenged; sacrosanct.    due to, merited, deserved, condign, richly deserved.    allowable etc. (permitted) 760; lawful, licit, legitimate, legal; legalized etc. (law) 963.    square, unexceptionable, right; equitable etc. 922; due, en r gle; fit, fitting; correct, proper, meet, befitting, becoming, seemly; decorous; creditable, up to the mark, right as a trivet; just the thing, quite the thing; selon les r gles [Fr.].    ... meer laten zien

Roget 946: innocent, not guilty; unguilty^†; guiltless, faultless, sinless, stainless, bloodless, spotless; clear, immaculate; rectus in curia [Lat.]; unspotted, unblemished, unerring; undefiled etc. 939; unhardened^†, Saturnian; Arcadian etc. (artless) 703^†.    inculpable, unculpable^†; unblamed, unblamable^†; blameless, unfallen^†, inerrable^†, above suspicion; irreproachable, irreprovable^†, irreprehensible^†; unexceptionable, unobjectionable, unimpeachable; salvable^†; venial etc. 937.    harmless; inoffensive, innoxious^†, innocuous; dove-like, lamb-like; pure, harmless as doves; innocent as a lamb, innocent as the babe unborn; more sinned against than sinning" [Lear]. virtuous etc. 944; unreproved^†, unimpeached, unreproached^†.    ... meer laten zien