From Longman Dictionary of Contemporary Englishpardonablepar‧don‧a‧ble /ˈpɑːdənəbəl $ ˈpɑːr-/ adjective formal FORGIVEpardonable mistakes are not very bad and can be forgiven SYN forgivable He had made the pardonable mistake of trusting the wrong person. —pardonably adverb
Examples from the Corpus
pardonable• But pardonable errors are errors none the less.• The latter can, declares S E Finer with pardonable exaggeration, be counted on one's fingers and toes.• Surely these are all legitimate stratagems for the diarist-and using them would be a pardonable offence. 