(n.) The quality of being sagacious; quickness or acuteness of sense perceptions; keenness of discernment or penetration with soundness of judgment; shrewdness.

acuity acumen acuteness anticipation apperception astuteness background blaseness cogency comprehension contemplation discernment discretion envisagement envisionment experience farseeingness farsightedness forecast foreglance foregleam foreglimpse forehandedness foreseeing foresight foresightedness grasp incisiveness insight judiciousness longheadedness longsightedness looking ahead past experience penetration perception perceptiveness percipience perspicaciousness perspicacity perspicuity perspicuousness practical knowledge practice prediction preparation prepublication preview prevision prospect prospection providence provision prudence readiness sagaciousness sageness sapience seasoning sensibility sensitivity sophistication tempering trenchancy understanding wisdom worldly wisdom