The term 'private place' can be defined by four different words: BASE (4 letters), SANCTUM (7 letters), DEN (3 letters), RETREAT (7 letters), and BOOTCAMP (8 letters). BASE is a military term for a permanent facility from which a unit or organization operates. A SANCTUM is a sacred or holy place, often used to refer to a private room or area. A DEN is a small room or space in a house, typically used as a study or RETREAT. A RETREAT is a place of privacy or safety, often used to refer to a place where one can go to get away from the stresses of everyday life. Finally, BOOTCAMP is a type of intensive training program, usually involving physical exercise, that is designed to help people reach their goals.