give somebody your word
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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
give somebody your ˈword (that...),
have somebody’s ˈword (that...)promise somebody/be promised (that...): I give you my word that I’ll pay you tomorrow. ♢ I’ve got his word that he’ll fix the car by the weekend.
Farlex Partner Idioms Dictionary © Farlex 2017