The state of being sagacious; an acuteness of perception or discernment.(noun)
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Use "sagaciousness" in a sentence
"The one thing that really -- the case in point in this is how she gushed personally when the Democrats were praising the sagaciousness and independence of Iowa voters."
"They are, every one, men of great wisdom and ponderous sagaciousness."
"He was sittin 'behind the counter upon the lang three-leggit stool that stood fornent Mr. Weft's desk, and was turning ower the leaves of his ledger, wi' a look which, for auld-fashioned sagaciousness, was wonderfu 'to behold."