IPA: /səˈɡeɪʃəsnəs/
KK: /səˈɡeɪʃəsnəs/
The quality of having good judgment and being able to make wise decisions.
Her sagaciousness in business matters earned her the respect of her colleagues.
Sagaciousness → It is formed from "sagax" (from Latin, meaning wise or discerning) and the suffix "-ness" (meaning the state or quality of). The word "sagaciousness" refers to the quality of being wise or having keen insight.
Think of 'sagacious' meaning wise, and remember that 'sagaciousness' refers to the state of being wise or having deep understanding.