on one's honor (English, prep_phrase)
expansion: on one's honor
Senses:
glosses: used to emphasize that one is behaving or going to behave in a trustworthy manner.
tags: US
glosses: expected to do what one has promised, expected to uphold one's promise.
tags: dated
Forms:
form: upon one's honor
tags: alternative
UK
form: on one's honour
tags: alternative
UK