What is another word for "unculpable"?

Roget's Thesaurus (1911) lists these synonyms for "unculpable": above, acquit, against, artless, babe, blameless, bloodless, clean, clear, conscience, culpa, curia, dove, exculpate, faultless, guiltless, guilty, harmless, immaculate, impeccability, incorruption, inculpable, inerrable, innocence, innocent, innocently, innocuous, innoxious, inoffensive, irreprehensible, irreproachable, irreprovable, lamb, more, nil, not, pure, rectus, safe, salvable.