From Latin sagāxsagāc-of keen perceptionsāg- in Indo-European roots
American Heritage Dictionary of the English Language, 5th Edition
Coined between 1600 and 1610 from sagacity +"Ž -ous
Sagacious Sentence Examples
The army had appeared a hard master when it ent its strength to a wise and sagacious rule.
Step by step, with sagacious and patient accuracy, he advanced to the great discovery which has immortalized his name.
He was transparent in character, chivalrous, kindly, firm, eloquent and sagacious; his purity of motive and unselfishness commanded absolute confidence; he had originality and initiative in dealing with new and difficult circumstances, and great aptitude for business details.
In his holy character we see a most sagacious man who said with unmatched tolerance, Go !