"Fee simple subject to executory interest" is a legal term that refers to a property ownership arrangement where the property owner holds a full and unencumbered ownership interest, but with a contingency attached. This type of arrangement is often used in estate planning, where a grantor may want to control how a property is used or distributed after their death. Some synonyms for "fee simple subject to executory interest" include "conditional fee", "defeasible fee", and "qualified fee". These terms all refer to a similar concept and may be used interchangeably in legal documents. Understanding the nuances of each term is important for anyone involved in real estate transactions or estate planning.