ACTION

Legal proceeding brought by one party against another (6)

Solution has appeared in 4 crosswords (3 across and 1 down):

• Quick crossword No 16,682 — 2023-10-23 23:00:12
  14A: Lights, camera, ___ (6)
• Quick crossword No 15,771 — 2020-11-23 00:00:36
  4D: Battle (6)
• Quick crossword No 15,564 — 2020-03-26 00:00:12
  15A: Military engagement (6)
• Quick crossword No 15,436 — 2019-10-28 00:00:33
  15A: Legal proceeding brought by one party against another (6)