1She is a knowledgeable expert in the field of artificial intelligence and has written several books on the topic.
2Can you recommend a knowledgeable guide for our tour of the historical city?
3The professor was knowledgeable about the latest research in his field and was able to answer all our questions.
4It is essential to be knowledgeable about the local culture and customs when traveling abroad.
5The company hired a knowledgeable consultant to help them develop a new marketing strategy.