What does the cryptic crossword clue "Stunner modelled again, having retired (5)" mean?

The definition is "Stunner". The wordplay uses a reversal. RESAT (reversal="modelled again") = TASER; definition: "Stunner" The answer is TASER.

Stunner modelled again, having retired (5)

Times Cryptic #28580 | 11 Across | 2023-04-18 flower