IRREPROACHABLE
blameless, inculpable, irreproachable, unimpeachable
(adjective) free of guilt; not subject to blame; “has lived a blameless life”; “of irreproachable character”; “an unimpeachable reputation”
Source: WordNet® 3.1
Etymology
Adjective
irreproachable (not comparable)
Free from blame, not open to reproach or criticism; blameless.
Synonyms
• impeccable, faultless, flawless, unblemished, immaculate, exemplary, model, pristine, perfect.
Source: Wiktionary
Ir`re*proach"a*ble, a. Etym: [Pref. ir- not + reproachable: cf. F.
irréprochable.]
Definition: Not reproachable; above reproach; not deserving reproach;
blameless.
He [Berkely] erred, -- and who is free from error -- but his
intentions were irreproachable. Beattie.
Source: Webster’s Unabridged Dictionary 1913 Edition