Origin: Latin suffix -able
Honourable has 4 different meanings across 1 category:
worthy of being honored; entitled to honor and respect
"an honorable man"
"led an honorable life"
"honorable service to his country"
adhering to ethical and moral principles
"it seems ethical and right"
"followed the only honorable course of action"
Britain standard spelling of honorable.
"The database accepts both spellings, so you can type Honourable or honourable without any issues."
Alternative letter-case form of honourable