voucher
US /ˈvaʊ.tʃɚ/
UK /ˈvaʊ.tʃɚ/

1.
voucher, kupon
a small printed piece of paper that entitles the holder to a discount, or that can be exchanged for goods or services
:
•
I have a discount voucher for the new restaurant.
Saya punya voucher diskon untuk restoran baru.
•
You can redeem this voucher for a free coffee.
Anda bisa menukarkan voucher ini dengan kopi gratis.
1.
membuktikan, menjamin
to confirm or support something with evidence
:
•
His testimony will voucher for her innocence.
Kesaksiannya akan membuktikan bahwa dia tidak bersalah.
•
Can you voucher for the authenticity of this document?
Bisakah Anda menjamin keaslian dokumen ini?