The term "development of thinking computer system" can be expressed using various synonyms such as "cognitive computing," "artificial intelligence," "machine learning," "intelligent systems," and "autonomous systems." Each of these terms emphasizes different aspects of the same concept, with cognitive computing highlighting the ability of machines to mimic human thought processes, while artificial intelligence emphasizes the creation of intelligent machines that can perform tasks that typically require human intelligence. On the other hand, machine learning highlights the use of algorithms to enable machines to learn from data, while autonomous systems are those that can think and act on their own without human intervention. These synonyms demonstrate the diverse ways in which the development of thinking computer systems can be expressed.