Definitions of honorable:

• adjective:   showing or characterized by honor and integrity

  Example: "An honorable man"

• adjective:   used as a title of respect

  Example: "My honorable colleague"

• adjective:   not disposed to cheat or defraud; not deceptive or fraudulent
• adjective:   adhering to ethical and moral principles

  Example: "Followed the only honorable course of action"

• adjective:   deserving of esteem and respect