testator

[ tes-tey-ter, te-stey-ter ]

/ ˈtɛs teɪ tər, tɛˈsteɪ tər /

a person who makes a will.

a person who has died leaving a valid will.

Origin of testator

1275–1325; < Latin testātor; see testate, -tor; replacing Middle English testatour < Anglo-French

I repeat that, in order to justify us in presuming the death of the testator, clear and positive evidence would be necessary.

The Vanishing Man |R. Austin Freeman
A holographic or olographic will is a will which is wholly written in the testator's or testatrix's own hand.

Commercial Law |Samuel Williston, Richard D. Currier, and Richard W. Hill
One is curious to know why the testator took such special interest in this singular relic.

Cornish Worthies, Volume 1 (of 2) |Walter H. Tregellas
It will save a deal of trouble, if the young lady as represents the testator here has no objection.'

Uncle Silas |J. S. LeFanu

A will has been defined to be a "disposition of real property to take effect after the death of the testator."

Cyclopedia of Commerce, Accountancy, Business Administration, v. 3 |Various

testator

/ (tɛˈsteɪtə) /

a person who makes a will, esp one who dies testate

C15: from Anglo-French testatour, from Late Latin testātor, from Latin testārī to make a will; see testament