Personal integrity (5)
'personal integrity' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for honour that I've seen before include "High respect" , "Integrity or outward symbol of distinction" , "Good name" , "Award conferred as a mark of respect" , "Great respect, perhaps among thieves" .)
(Other definitions for honor that I've seen before include "-- Blackman, English actress" , "US honour" .)