Synonyms for Honourable (same or very similar meaning)
WordNet sense 1 (used as a title of respect):
honorableWordNet sense 2 (having worth or merit or value; being honorable or admirable):
worthyWordNet sense 3 (adhering to ethical and moral principles):
ethical, moralWordNet sense 4 (in conformance with justice or law or morality):
rightFrom the ODE community, based on WordNetadd/edit