Source : Webster's Revised Unabridged Dictionary (1913)

Unexceptionable \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.