1) Artlessness 2) Candidness 3) Candour 4) Forthrightness 5) Frankness 6) Honesty 7) Openness 8) Unreserve 9) Veracity 1) Bluntness 2) Candour 3) Fair-mindedness 4) Fairness 5) Forthrightness 6) Frankness 7) Honesty 8) Impartiality 9) Nonpartisanship 10) Open nature 11) Openness 12) Plain speaking 13) Sincerity 14) Straight shooting 15) Straight talk 16) Straight-talking 17) Straightforwardness 18) Telling it like it is 
• (n.) A disposition to treat subjects with fairness; freedom from prejudice or disguise; frankness; sincerity. • (n.) Whiteness; brightness; (as applied to moral conditions) usullied purity; innocence.
Can'dor noun [ Written also candour .] [ Latin candor , from candëre ; confer French candeur . See candid .] 1. Whiteness; brightness; (as applied to moral conditions) usullied purity; innocence. [ Obsolete] « Nor yor unquestioned integrity Shall e'er...
[n] - the quality of being honest and straightforward in attitude and speech
candour noun the quality of being honest and straightforward in attitude and speech
[PSAT glossary] the quality of being honest and straightforward