Figures a meal out to be healthfully beneficial (7)

I believe the answer is:

medical

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'beneficial' is the definition.
Both the definition and answer are adjectives. Maybe you can see an association between them that I can't see?

I don't understand the rest of the clue.

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(Other definitions for medical that I've seen before include "examination carried out by a doctor" , "Relating to doctoring" , "Of the science dealing with treatment of disease" , "Thorough health check" , "Health check-up" .)

I've seen this clue in the Evening Standard.

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