What does the cryptic crossword clue "Simulate 5 1 say in toppled lift cage (3)" mean?

The definition is "Simulate". The wordplay uses a hidden word. Hidden reversed in "simulate 5 1 say in toppled lifT CAge" The answer is ACT.

Simulate 5 1 say in toppled lift cage (3)

Independent Cryptic #11615 | 23 Down | 2024-01-02 flower