Acute, Adept, Agile, Alert, Apt
Tag: owl
as serious as an owl
Austere, Bound, Bound and determined
as wise as an owl
Synonyms: astute, aware, calculating, clever, educated, enlightened, experienced, foresighted, informed, insightful, intuitive, keen, knowing, knowledgeable, perceptive, rational, reflective, scholarly, sensible, sharp, smart, understanding, witty