adjective
- having or showing acute mental discernment and keen practical sense; shrewd: a sagacious lawyer.
- Obsolete. keen of scent.
adjective
- having or showing sagacity; wise
- obsolete (of hounds) having an acute sense of smell
adj.c.1600, from Latin sagacem (nominative sagax) “of quick perception;” see sagacity. Related: Sagaciously.