The Collaborative International Dictionary of English v.0.48:
Judiciousness \Ju*di"cious*ness\, n. The quality or state of being judicious; sagacity; sound judgment. [1913 Webster]WordNet (r) 3.0 (2006):
judiciousness n 1: good judgment [ant: indiscreetness, injudiciousness] 2: the trait of forming opinions by distinguishing and evaluating [syn: judiciousness, sagacity, sagaciousness]