What does the cryptic crossword clue "To be gripping not everyone, one put in power (8)" mean?

The wordplay uses a charade (building blocks). ENTHR (synonym="ENTHR") + ONE (synonym="ONE") = ENTHRONE The answer is ENTHRONE.

To be gripping not everyone, one put in power (8)

Guardian Cryptic #29586 | 25 Across | 2025-01-08 flower