Satiated (7)
'satiated' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for replete that I've seen before include "Full, satiated" , "Well stocked or gorged" , "charged" , "Full to capacity" , "Fully satisfied" .)
(Other definitions for overfed that I've seen before include "stuffed" , "having had too much on one's plate?" .)