Source : Webster's Revised Unabridged Dictionary (1913)

Outspoken \Out*spo"ken\, a.
   Speaking, or spoken, freely, openly, or boldly; as, an
   outspoken man; an outspoken rebuke. -- {Out*spo"ken*ness}, n.

Source : WordNet®

outspokenness
     n : the trait of being blunt and outspoken [syn: {frankness}]