What does the cryptic crossword clue "Like some faith in side playing with a lot of credit (7)" mean?

The wordplay uses an anagram. DEIS (synonym="DEIS") + TIC (synonym="TIC") = DEISTIC The answer is DEISTIC.

Like some faith in side playing with a lot of credit (7)

Guardian Cryptic #29417 | 23 Across | 2024-06-24 flower