The term 'legalistic pronoun' refers to a type of pronoun used in legal documents and contracts. The most common example of this type of pronoun is 'WHOSOEVER', which has nine letters. WHOSOEVER is used to refer to any person or entity that is involved in a legal agreement, regardless of their identity. It is often used to refer to an unknown party in a contract, such as a buyer or seller. This pronoun is also used to refer to a group of people, such as a jury or a court. In summary, the term 'legalistic pronoun' refers to a type of pronoun used in legal documents and contracts, with the most common example being 'WHOSOEVER'.