The most common and most likely answer to this crossword clue is the 8 letter word OVERSTEP
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More clues leading to the result OVERSTEP
Buddy explains!

The straight part
We know that "Go beyond" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case go beyond = overstep.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 OVERSTEP mean?
OVERSTEP noun- A gait in which the hind foot touches ground in front of where the front foot touches the ground.
- A movement in which one oversteps.
- To go too far beyond (a limit); especially, to cross boundaries or exceed norms or conventions.
- To take a step in which the foot touches ground too far forward.
- To move with a gait such that the hind foot touches the ground forward of the point where the front foot touches the ground.