For centuries, innovation was a political and contested concept and linguistic weapon used against one's enemy. To support their case, opponents of innovation made use of arguments from ethos and pathos to give power and sustenance to their criticisms and to challenge the innovators. However, since the nineteenth century the arguments have changed completely. Innovation gradually got rehabilitated. This article looks at one type of rehabilitation: the semantic rehabilitation. People started to reread history and to redescribe what innovation is. What was bad innovation became good innovation because of long-lasting and beneficial effects, so it was believed.