|pərspə|kāshəs, |pə̄s-, |pəis- adjective
Etymology: Latin perspicac-, perspicax clear-sighted, (from perspicere to see through) + English -ious — more at perspective
1. archaic : clear-sighted , quick-sighted , sharp-sighted
2. : of acute mental vision or discernment : keen
3. substandard : perspicuous
Synonyms: see shrewd