Fit for all sides today (5)

I believe the answer is:

right

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

This clue might be a double definition.

'fit' is the first definition.
(thesaurus)

'all sides today' is the second definition.
Both the answer and definition are adverbs. Perhaps they are linked in a way I don't understand?

'for' acts as a link.

Can you help me to learn more?

(Other definitions for right that I've seen before include "Sound" , "A person is entitled to it" , "Morally defensible" , "Girth (anag)" , "Factual" .)

I've seen this clue in the Irish Times (Crosaire) and the Irish Times.

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