honorable

Short definition from Wiktionary

Adjective

1. 1
   Behaving in a manner that shows honor; decent, having integrity.
2. 2
   Worthy of respect; respectable.
3. 3
   Complying with cultural rules regarding honor; not provoking shame or disgrace.
4. 4
   A courtesy title, given in Britain and the Commonwealth to a cabinet minister, minister of state, or senator, and in the United States to the president, vice president, congresspeople, state governors and legislators, and mayors.
5. 5
   Alternative letter-case form of honorable.

Noun

1. 1
   A politician or other person who bears the title of "honorable".