WordNet: clear, percipient

characterized by ease and quickness in perceiving; "clear mind"; "a percipient author"

• similar to discerning

clear

• (englanti) clearness (derivationally related)
• (suomi) terävä (synonyymi)

percipient

• (englanti) perceive (derivationally related)
• (suomi) tarkkanäköinen (synonyymi)