Wiktionary
interj. 1 (context idiomatic AU NZ UK English) (context dated US Canada English) An expression of surprise. 2 (context idiomatic AU NZ UK English) (context dated US Canada English) Indeed.
Usage examples of "my word".
I give you my word, nothing you can tell me will make me love you less.
I give you my word not to use it as long as you live quietly at Walgrave Towers, take no further part in government affairs, and do not concern yourself with your offspring anymore.
The manner in which he accepted my word made me feel ashamed, particularly as he had aged considerably and seemed tired and listless.
I tell him something of import, or the way he nods his head with a subtle rhythm matching the measure of my words are all quite appropriate.
Head Treasurer cast his glance away from me, as if embarrassed on my behalf for my words and my destiny, and fixed his attention on the pictures resting on the folding table.