The Collaborative International Dictionary of English v.0.48:
Frankness \Frank"ness\, n. The quality of being frank; candor; openess; ingenuousness; fairness; liberality. [1913 Webster]WordNet (r) 3.0 (2006):
frankness n 1: the quality of being honest and straightforward in attitude and speech [syn: candor, candour, candidness, frankness, directness, forthrightness] 2: the trait of being blunt and outspoken [syn: frankness, outspokenness]