owlish

Concise Oxford English Dictionary © 2008 Oxford University Press:
owlish/ˈaʊlɪʃ/

▶adjective

• 1 like an owl, especially in being wise or solemn.

• 2 (of glasses or eyes) resembling the large round eyes of an owl.

– derivatives
owlishly adverb,
owlishness noun.