The most common and most likely answer to this crossword clue is the 5 letter word TABLE
I've seen this crossword clue in The Guardian
T
A
B
L
E
More clues leading to the result TABLE
- Firm exporting small item of furniture
- Firm losing small data chart
- Story written around black board
- Food at back only half edible
- Climbing club left stuck on European plateau
- One came round for Arthur
- Bill having Lewinsky mainly on end of the desk
- Submit pill when temperature’s taken
- Board and lodging for twenty-seven
- Rumour about second-class furniture
Buddy explains!

The straight part
We know that "Submit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case submit = table.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 TABLE mean?
TABLE noun- Furniture with a top surface to accommodate a variety of uses.
- A two-dimensional presentation of data.
- The top of a stringed instrument, particularly a member of the violin family: the side of the instrument against which the strings vibrate.
- One half of a backgammon board, which is divided into the inner and outer table.
- The flat topmost facet of a cut diamond.
- To tabulate; to put into a table or grid.
- To supply (a guest, client etc.) with food at a table; to feed.
- To delineate; to represent, as in a picture; to depict.
- (non-US) To put on the table of a commission or legislative assembly; to propose for formal discussion or consideration, to put on the agenda.
- To remove from the agenda, to postpone dealing with; to shelve (to indefinitely postpone consideration or discussion of something).
- To join (pieces of timber) together using coaks.
- To put on a table.
- To make board hems in the skirts and bottoms of (sails) in order to strengthen them in the part attached to the bolt-rope.