Definitions:

1. Quick and wise in understanding and judgment. NOUN
   • Faced with a complex dilemma, he exhibited sagaciousness by considering all possible outcomes before making a decision.
2. The ability to understand inner qualities or relationships. NOUN
   • In matters of the heart, her sagaciousness prevented her from making hasty decisions that she might later regret.
3. The mental ability to understand and discriminate between relations. NOUN
   • Her sagaciousness in navigating the company through financial turmoil earned her respect and admiration from her peers.
4. The trait of forming opinions by distinguishing and evaluating. NOUN
   • Her columns are widely read for their sagaciousness on social and cultural issues, offering deep insights with clarity.

Synonyms:

• acumen
• astuteness
• insightfulness
• judiciousness
• keenness
• perspicacity
• shrewdness
• Wisdom