Got up, sore and confused (4)

I believe the answer is:

rose

I'm a little stuck... Click here to teach me more about this clue!

'got up' is the definition.
(past tense of 'raise')

'sore and confused' is the wordplay.
'sore' anagrams to 'ROSE'.
Though, I am not clear how the anagram is indicated.

Can you help me to learn more?

(Other definitions for rose that I've seen before include "Perforated cap; reddish colour" , "Pinkish wine" , "Gained altitude" , "was being promoted" , "reached for the skies" .)

I've seen this clue in The Mirror.

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