word of honor

noun
1.
a pledge of one's honor that a specified condition, bargain, etc., will be fulfilled; oath; promise.
Origin
1805-15
Examples from the web for word of honor
  • They should have word of honor and whatever they say must be done.
  • It was clearly understood that their word of honor was pledged to obey my orders.
  • He also gave his word of honor to an officer that he would not drink if that officer did not report him.
Idioms and Phrases with word of honor

word of honor

A pledge of one's good faith, as in On his word of honor he assured us that he was telling the truth. [ Early 1800s ]