A pantologist is an expert in a wide range of subjects. There are a few synonyms or related terms to this word, such as a polymath, a Renaissance figure, a jack of all trades, or a generalist. A polymath is someone who has expertise in different fields of knowledge, whereas a Renaissance figure is a person who is skilled in various intellectual and artistic pursuits. A jack of all trades is someone who is good at a variety of skills, while a generalist is a person who has broad interests in many different areas. These terms all describe someone who has a breadth of knowledge and skill.