OPTIMAL

Plot aim (anag) — most favourable (7)

Solution has appeared in 3 crosswords (0 across and 3 down):

• Quick crossword No 16,168 — 2022-03-03 00:00:53
  2D: Best possible (7)
• Quick crossword No 15,754 — 2020-11-03 00:00:40
  5D: Best in the circumstances (7)
• Quick crossword No 15,598 — 2020-05-04 23:00:20
  16D: Plot aim (anag) — most favourable (7)