The Collaborative International Dictionary of English v.0.48:
Wiseness \Wise"ness\, n. Wisdom. [Obs.] --Spenser. [1913 Webster]WordNet (r) 3.0 (2006):
wiseness n 1: the quality of being prudent and sensible [syn: wisdom, wiseness, soundness] [ant: unsoundness] 2: the trait of utilizing knowledge and experience with common sense and insight [syn: wisdom, wiseness] [ant: folly, foolishness, unwiseness]