Condign - When someone gets a punishment what he deserves, after a wrong deed or a mess work, then it is said that punishment was a condign one. However, sometimes it also means just fitting or adequate.
Open Word Class - Adjective
1. That fellow, he stole a diamond ring and when caught, was under prisons. Well, that was a condign punishment for him.
2. I think that the only condign punishment for that killer is death.
3. You have killed a reindeer; the only condign punishment according to me for the time being for you is to bring you to the court.