attest in Bulgarian
attest in Bulgarian
заверя́
(transitive) To affirm to be correct, true, or genuine.
заверя́вам
(transitive) To affirm to be correct, true, or genuine.
потвърждавам
(transitive) To affirm to be correct, true, or genuine.
удостоверявам
(transitive) To affirm to be correct, true, or genuine.