What does the cryptic crossword clue "Bath Rome's set out in this place (8)" mean?

The definition is "Bath". The wordplay uses an anagram. anagram of ROMES (synonym="ROMES") + SET (synonym="SET") = SOMERSET The answer is SOMERSET.

Bath Rome's set out in this place (8)

Guardian Cryptic #29034 | 17 Down | 2023-04-03 flower