DEWYEYED

With childlike credulity (4-4)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,599 — 2023-07-18 23:00:32
  12D: Looking naive or sentimental (4-4)
• Quick crossword No 15,963 — 2021-07-05 23:00:11
  23A: With childlike credulity (4-4)