His low reappraisal is looking wise (6)

I believe the answer is:

owlish

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'wise' is the definition.
(similar in meaning)

'his low reappraisal is looking' is the wordplay.
'his low' anagrams to 'OWLISH'.
However, I'm unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for owlish that I've seen before include "Having appearance like wise old bird" , "solemn and wise in appearance?" , "Solemn, wise; like a bird" .)

I've seen this clue in The Globe and Mail.

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