Crossword Genius

Something to do for dinner? (5)

Ross

I believe the answer is:

dress

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

'do for dinner?' is the definition.
'dress' can be an answer for 'do' (synonyms). I'm unsure of the 'for dinner?' bit.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for dress that I've seen before include "Garb" , "Costume" , "formal attire" , "items to wear" , "Clothing - groom" .)

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