Until a few years ago, artificial intelligence (AI) played no role in practical terminology work. Meanwhile, intelligent terminology management systems have become part of the tool landscape. They model knowledge by building concept networks with the help of relations. These intelligent terminologies can help improve the performance and quality of AI-based applications and support translators and interpreters in their daily work. Intelligent terminology repositories offer challenging new opportunities for translators, interpreters and knowledge workers. This article gives some background information and explains the functioning of intelligent terminologies.