1. Oath
2. Covenant
3. Statement
4. Promise
5. Avowal
6. Affirmation
7. Pledge
8. Declaration
9. Confirmation
10. Verification
11. Assertion
12. Proclamation
13. Validation
14. Substantiation
15. Evidence
16. Testimony
17. Deposition
18. Witness
19. Acknowledgment
20. Affidavit
21. Endorsement
22. Attestation
23. Credential
24. Certify
25. Voucher
26. Instrument
27. Document
28. Will
29. Writ
30. Deed

Are you looking for synonyms for the word ‘testament’? Look no further! Here are the best ideas and other words for testament. From oath and covenant to avowal and pledge, there are many synonyms for this word. Declaration, confirmation, verification, and assertion are all synonyms for testament. Proclamation, validation, substantiation, and evidence are also synonyms. Testimony, deposition, witness, acknowledgment, and affidavit are all synonyms for testament. Endorsement, attestation, credential, certify, voucher, instrument, document, will, writ, and deed are the other words for testament. With this list of synonyms, you can find the perfect word to express what you mean.