give one’s word—
1. give one’s promise:
- He gave his word as a scholar not to publish works that were made available to him.
2. express one’s assurance:
- I’m positive he’s capable of carrying out the mission. I give my word that he is fine.
3. give expression to smth.; put smth. into words:
- He visited the homes of the sick to give his word of advice or sympathy.
give the word—command a person to do smth.:
- Jack told them to wait till he gave the word, and then to make all the noise they could.