Brunel is a word that refers to a British engineer, Isambard Kingdom Brunel. However, there are several synonyms with slightly different meanings. For instance, the term 'engineer' refers to any person who designs and builds machines or structures. The word 'architect' implies someone who creates plans for buildings and designs structures. 'Inventor' suggests someone who comes up with new ideas or modifications for existing machines. Another word for Brunel could be 'designer,' which implies someone who devises a product or item for a particular purpose. Lastly, the term 'builder' indicates someone who constructs something, executes a plan, or raises a structure from the ground up.