1. Quick of scent; as a sagacious hound; strictly perhaps, following by the scent, which sense is connected with L. sequor; with of; as sagacious of his quarry.
2. Quick of thought; acute in discernment or penetration; as a sagacious head; a sagacious mind.
I would give more for the criticisms of one sagacious enemy, than for those of a score of admirers.