Un′ex‐cep″tion‐a‐ble (?), 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.
Chesterfield is an unexceptionable witness. Macaulay.