give (someone) (one's) word

To make a serious promise, assurance, or vow (to someone). I give you my word that I will do everything in my power to have this matter resolved by next week. You gave your word that you'd be there, so don't even think about backing out now.

Common Names:

Name	Pronounced	Usage
Jeong-Hun	jung-hoon	Korean
Sofia	zo-FEE-ah (German), so-FEE-ah (Italian), soo-FEE-ə (Portuguese), SO-fee-ah (Finnish)	Norwegian, Swedish, German, Italian, Portuguese, Catalan, Greek, Finnish, Estonian, Slovak, Romanian
Theo	[θi:əu]
Ahriman	AH-ri-mahn	Persian Mythology
Baptista	-	Late Roman
Hananiah	han-ə-NIE-ə (English)	Biblical