The most common and most likely answer to this crossword clue is the 6 letter word OWLISH
I've seen this crossword clue in Financial Times
O
W
L
I
S
H
More clues leading to the result OWLISH
- Member of Parliament is hard and solemn
- How is learner working to become wise?
- Looking intelligent, like a Member of Parliament?
- Wise, capable of most points of view?
- Stupid or wise?
- Sage and onion’s first large stuffing request
- Love and desire gripping student — would that be wise?
- Over fifty, overcome by desire, wearing granny glasses?
- Blinking line I exhibit when cycling?
Buddy explains!
The straight part
We know that "Sage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sage = owlish.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OWLISH mean?
OWLISH adjective- Resembling or characteristic of an owl.
- Wise and solemn.
- Stupid; dull-looking.