noun

the quality of being open and honest; frankness.

a man of refreshing candour

frankness,openness,honesty,candidness,truthfulness,sincerity,forthrightness,directness,lack of restraint,straightforwardness,plain-spokenness,plain dealing,plainness,calling a spade a spade,unreservedness,bluffness,bluntness,outspokenness,telling it like it is