sagacious – Ability to understand and make good judgement
"The sag was dangerous for ages," (sagacious) he said. "Well change it now." said the boss. She was wise and could judge that it needed changing immediately.
Examples of sagacious in a sentence
Wise and full of insight, the sagacious leader would live on to better the world.
I saw this sagacious dog on television that could add and subtract numbers!
Even the best writers need a sagacious editor for finding missed errors.