(adj) completely acceptable; not open to exception or reproach, Syn. unimpeachable, Example:two unexceptionable witnesses; a judge's ethics should be unexceptionable
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
a. Not liable to any exception or objection; unobjectionable; faultless; good; excellent; as, a man of most unexceptionable character. -- Un`ex*cep"tion*a*ble*ness n. -- Un`ex*cep"tion*a*bly, adv. [ 1913 Webster ]
[ 1913 Webster ]
Chesterfield is an unexceptionable witness. Macaulay. [ 1913 Webster ]