Testatory is an adjective used to describe something related to or involved in a will or testament. There are a few synonyms for testatory, including testamentary, bequeaths, and testimonial. Testamentary is arguably the most common synonym and is used to describe anything involving a will, such as testamentary trusts or testamentary capacity. Bequeaths is also an infrequent alternative and refers to a gift or inheritance that is left to someone in a will. A testimonial, on the other hand, is a document that acts as evidence to support a claim or assertion. Overall, all of these words are associated with the legal and testamentary implications related to the distribution of property and wealth upon a person's death.