The most common and most likely answer to this crossword clue is the 6 letter word OBEYED
I've seen this crossword clue in The Daily Telegraph
O
B
E
Y
E
D
More clues leading to the result OBEYED
- Complied with demands, making love with you in part of garden
- After topless garment you had toed the line
- Russian banker I’d caught followed….
- Old boy ogled and observed …
- . Ex-student saw and followed instruction
- Followed instructions of Turkish chieftain and editor
- Performed essential honours at resting place having the old...
- Alumnus saw and followed directions
- Honour the old days? Honoured!
- Discharged old boy died without notice
Buddy explains!

The straight part
We know that "toed the line" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case toed the line = obeyed.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OBEYED mean?
OBEYED verb- To do as ordered by (a person, institution etc), to act according to the bidding of.
- To do as one is told.
- To be obedient, compliant (to a given law, restriction etc.).