From Longman Dictionary of Contemporary EnglishRelated topics: Lawtestamenttes‧ta‧ment /ˈtestəmənt/ noun [countable] formal1 →be a testament to something2SCL a will2(2) —testamentary /ˌtestəˈmentəri◂/ adjective →New Testament, Old TestamentExamples from the Corpustestament• And this villa was certainly a testament to that.• So observing, Ishamel goes below, makes out his last will and testament with Queequeg the witness and executor.• One day a statue will be erected somewhere on O'Connell Street to beartestament to this fact.• The greatest testament to the Maya's astronomicalknowledge is an amazingillusion built into El Castillo.• I was testament to that fact.From Longman Business Dictionarytestamenttes‧ta‧ment /ˈtestəmənt/ noun [countable]LAWa WILLOrigintestament(1200-1300)Latintestamentum"last will", from testari"to be a witness, make a will", from testis; → TESTIFY