adjective.
Having left a legally valid last will and testament (of one who has died).
noun.
One who has left a valid will and testament.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a person who makes a will
adjective.
having made a legally valid will before death
Word Usage
"This returning to their root is what we call testate of stillness; and that stillness may be called a reporting that they have fulfilled their appointed end."