One who makes or has made a will; one who dies leaving a will.
A testator is a person who makes a valid will. A will is the document through which a deceased person disposes of his property. A person who dies without having made a will is said to have died intestate.
A testator must be of sound mind when making a will. In part to ensure that a testator is of sound mind, states require that the signing of a will be witnessed by multiple persons. A testator also should be making the will without duress and...