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Engage by written agreement (4)

Solution has appeared in 7 crosswords (2 across and 5 down):

• Quick crossword No 16,222 — 2022-05-04 23:00:20
  9A: Provide an autograph (4)
• Quick crossword No 16,028 — 2021-09-19 23:00:49
  23D: Meaningful gesture (4)
• Quick crossword No 15,938 — 2021-06-06 23:00:51
  22D: Write one's name (4)
• Quick crossword No 15,684 — 2020-08-12 23:00:38
  21D: Autograph (4)
• Quick crossword No 15,602 — 2020-05-08 23:00:39
  20D: Indication (4)
• Quick crossword No 15,432 — 2019-10-22 23:00:18
  21D: Omen (4)
• Quick crossword No 15,331 — 2019-06-26 23:00:28
  19A: Engage by written agreement (4)