| Clue | Source | Date |
|---|---|---|
| Gesture of approval | The Times Concise | 07 Nov 2022 |
| Positive sign | The Times Concise | 03 Feb 2020 |
| Tom's family are revolting? Yes | ||
| Digital way of conveying a green signal? | ||
| Box containing British Standard gets universal sign of approval | ||
| Green light – wallop! Bus swerving into it |