Having eaten too many dates? (5)

I believe the answer is:

sated

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

'having eaten too many' is the definition.
I can't tell whether this definition defines the answer.

'dates?' is the wordplay.
'dates' anagrams to 'SATED'.
But, I'm not sure how this is indicated.

Can you help me to learn more?

(Other definitions for sated that I've seen before include "Stuffed, having eaten to the full" , "completely filled?" , "Fed up" , "with no empty spaces?" , "Stuffed, having had a surfeit" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.